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Finding the Fourth Proportional to 62,253.87, 85,938.17 and 42,171.74

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Solution

The fourth proportional to 62,253.87, 85,938.17 and 42,171.74 is: 58,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,253.87 : 85,938.17 = 42,171.74 : x
  2. Step 2: Convert to fraction form
    62,253.87/85,938.17 = 42,171.74/x
  3. Step 3: Cross multiply
    62,253.87x = 85,938.17 × 42,171.74
  4. Step 4: Simplify right side
    62,253.87x = 3,624,161,843.03
  5. Step 5: Solve for x
    x = 3,624,161,843.03/62,253.87
  6. Step 6: Final answer
    x = 58,215.85

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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.