This is the 824th most frequent Russian word.
предварительным
"Preliminary" or "prior."
Here, 'предварительный' (preliminary) is used as an adjective modifying the noun 'отчет' (report), describing it as an initial version.
Мы получили предварительный отчет о проекте.
We received the preliminary report about the project.
In this sentence, 'предварительное' (preliminary) describes 'согласие' (consent), indicating it is given at an earlier stage.
Его предварительное согласие было важным этапом переговоров.
His preliminary consent was an important stage in the negotiations.
In this usage, 'предварительный' (preliminary) modifies 'анализ' (analysis), showing that the analysis was a preparatory step.