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Finding the Fourth Proportional to 66,755.53, 100,057.96 and 27,291.12

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Solution

The fourth proportional to 66,755.53, 100,057.96 and 27,291.12 is: 40,905.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,755.53 : 100,057.96 = 27,291.12 : x
  2. Step 2: Convert to fraction form
    66,755.53/100,057.96 = 27,291.12/x
  3. Step 3: Cross multiply
    66,755.53x = 100,057.96 × 27,291.12
  4. Step 4: Simplify right side
    66,755.53x = 2,730,693,793.32
  5. Step 5: Solve for x
    x = 2,730,693,793.32/66,755.53
  6. Step 6: Final answer
    x = 40,905.88

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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.