Finding the Fourth Proportional to 5,755,272.84, 7,944,641.64 and 3,925,770.12
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Solution
The fourth proportional to 5,755,272.84, 7,944,641.64 and 3,925,770.12 is: 5,419,176.05
Step by Step Solution
- Step 1: Write the proportion equation
5,755,272.84 : 7,944,641.64 = 3,925,770.12 : x - Step 2: Convert to fraction form
5,755,272.84/7,944,641.64 = 3,925,770.12/x - Step 3: Cross multiply
5,755,272.84x = 7,944,641.64 × 3,925,770.12 - Step 4: Simplify right side
5,755,272.84x = 31,188,836,764,419.80 - Step 5: Solve for x
x = 31,188,836,764,419.80/5,755,272.84 - Step 6: Final answer
x = 5,419,176.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.