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Finding the Fourth Proportional to 55,983.52, 83,565.68 and 49,340.74

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Solution

The fourth proportional to 55,983.52, 83,565.68 and 49,340.74 is: 73,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,983.52 : 83,565.68 = 49,340.74 : x
  2. Step 2: Convert to fraction form
    55,983.52/83,565.68 = 49,340.74/x
  3. Step 3: Cross multiply
    55,983.52x = 83,565.68 × 49,340.74
  4. Step 4: Simplify right side
    55,983.52x = 4,123,192,489.80
  5. Step 5: Solve for x
    x = 4,123,192,489.80/55,983.52
  6. Step 6: Final answer
    x = 73,650.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.