Finding the Fourth Proportional to 25,176,841.19, 37,765,135.05 and 21,754,715.19
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Solution
The fourth proportional to 25,176,841.19, 37,765,135.05 and 21,754,715.19 is: 32,631,963.28
Step by Step Solution
- Step 1: Write the proportion equation
25,176,841.19 : 37,765,135.05 = 21,754,715.19 : x - Step 2: Convert to fraction form
25,176,841.19/37,765,135.05 = 21,754,715.19/x - Step 3: Cross multiply
25,176,841.19x = 37,765,135.05 × 21,754,715.19 - Step 4: Simplify right side
25,176,841.19x = 821,569,757,124,636.38 - Step 5: Solve for x
x = 821,569,757,124,636.38/25,176,841.19 - Step 6: Final answer
x = 32,631,963.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.