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Finding the Fourth Proportional to 61,947.52, 85,474.96 and 37,732.24

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Solution

The fourth proportional to 61,947.52, 85,474.96 and 37,732.24 is: 52,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,947.52 : 85,474.96 = 37,732.24 : x
  2. Step 2: Convert to fraction form
    61,947.52/85,474.96 = 37,732.24/x
  3. Step 3: Cross multiply
    61,947.52x = 85,474.96 × 37,732.24
  4. Step 4: Simplify right side
    61,947.52x = 3,225,161,704.71
  5. Step 5: Solve for x
    x = 3,225,161,704.71/61,947.52
  6. Step 6: Final answer
    x = 52,062.81

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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.