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Mathematics 19 Online
OpenStudy (anonymous):

Solve the proportion: x/9 = 4/x *NOTE: Applicable to this and all other questions-- For any solution that involves two answers, type one answer separated by a comma and then the other answer.

OpenStudy (campbell_st):

well cross multiply and you get x^2 = 36 so solve this... and there are 2 possible solutions.

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