Finding the Fourth Proportional to 7,541,837.88, 10,412,943.30 and 7,059,998.04
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Solution
The fourth proportional to 7,541,837.88, 10,412,943.30 and 7,059,998.04 is: 9,747,671.65
Step by Step Solution
- Step 1: Write the proportion equation
7,541,837.88 : 10,412,943.30 = 7,059,998.04 : x - Step 2: Convert to fraction form
7,541,837.88/10,412,943.30 = 7,059,998.04/x - Step 3: Cross multiply
7,541,837.88x = 10,412,943.30 × 7,059,998.04 - Step 4: Simplify right side
7,541,837.88x = 73,515,359,288,631.14 - Step 5: Solve for x
x = 73,515,359,288,631.14/7,541,837.88 - Step 6: Final answer
x = 9,747,671.65
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1.5x scale
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.