Math, asked by prosenjitchatterjee9, 9 months ago

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17. Find the value of x if: a. x, 7, 9, 21 are in proportion.
b. 6, 15, 8, x are in proportion.​

Answers

Answered by jarathor180
1

Step-by-step explanation:

7+9+21-x=37x

6+15+8-x=29x

29x+37x=66x

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