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Finding the Fourth Proportional to 62,930.46, 94,454.01 and 31,787.58

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Solution

The fourth proportional to 62,930.46, 94,454.01 and 31,787.58 is: 47,710.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,930.46 : 94,454.01 = 31,787.58 : x
  2. Step 2: Convert to fraction form
    62,930.46/94,454.01 = 31,787.58/x
  3. Step 3: Cross multiply
    62,930.46x = 94,454.01 × 31,787.58
  4. Step 4: Simplify right side
    62,930.46x = 3,002,464,399.20
  5. Step 5: Solve for x
    x = 3,002,464,399.20/62,930.46
  6. Step 6: Final answer
    x = 47,710.83

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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.