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Finding the Fourth Proportional to 62,314.68, 93,472.56 and 20,761.68

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Solution

The fourth proportional to 62,314.68, 93,472.56 and 20,761.68 is: 31,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,314.68 : 93,472.56 = 20,761.68 : x
  2. Step 2: Convert to fraction form
    62,314.68/93,472.56 = 20,761.68/x
  3. Step 3: Cross multiply
    62,314.68x = 93,472.56 × 20,761.68
  4. Step 4: Simplify right side
    62,314.68x = 1,940,647,379.50
  5. Step 5: Solve for x
    x = 1,940,647,379.50/62,314.68
  6. Step 6: Final answer
    x = 31,142.70

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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.