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Finding the Fourth Proportional to 48,620.52, 72,930.05 and 29,650.73

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Solution

The fourth proportional to 48,620.52, 72,930.05 and 29,650.73 is: 44,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,620.52 : 72,930.05 = 29,650.73 : x
  2. Step 2: Convert to fraction form
    48,620.52/72,930.05 = 29,650.73/x
  3. Step 3: Cross multiply
    48,620.52x = 72,930.05 × 29,650.73
  4. Step 4: Simplify right side
    48,620.52x = 2,162,428,819.72
  5. Step 5: Solve for x
    x = 2,162,428,819.72/48,620.52
  6. Step 6: Final answer
    x = 44,475.64

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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.