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Finding the Fourth Proportional to 71,562.38, 107,343.61 and 22,314.38

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Solution

The fourth proportional to 71,562.38, 107,343.61 and 22,314.38 is: 33,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,562.38 : 107,343.61 = 22,314.38 : x
  2. Step 2: Convert to fraction form
    71,562.38/107,343.61 = 22,314.38/x
  3. Step 3: Cross multiply
    71,562.38x = 107,343.61 × 22,314.38
  4. Step 4: Simplify right side
    71,562.38x = 2,395,305,511.61
  5. Step 5: Solve for x
    x = 2,395,305,511.61/71,562.38
  6. Step 6: Final answer
    x = 33,471.58

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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.