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Finding the Fourth Proportional to 62,397.77, 86,149.14 and 55,671.73

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Solution

The fourth proportional to 62,397.77, 86,149.14 and 55,671.73 is: 76,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,397.77 : 86,149.14 = 55,671.73 : x
  2. Step 2: Convert to fraction form
    62,397.77/86,149.14 = 55,671.73/x
  3. Step 3: Cross multiply
    62,397.77x = 86,149.14 × 55,671.73
  4. Step 4: Simplify right side
    62,397.77x = 4,796,071,446.44
  5. Step 5: Solve for x
    x = 4,796,071,446.44/62,397.77
  6. Step 6: Final answer
    x = 76,862.87

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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.