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Finding the Fourth Proportional to 48,508.64, 72,657.68 and 29,732.88

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Solution

The fourth proportional to 48,508.64, 72,657.68 and 29,732.88 is: 44,534.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,508.64 : 72,657.68 = 29,732.88 : x
  2. Step 2: Convert to fraction form
    48,508.64/72,657.68 = 29,732.88/x
  3. Step 3: Cross multiply
    48,508.64x = 72,657.68 × 29,732.88
  4. Step 4: Simplify right side
    48,508.64x = 2,160,322,080.52
  5. Step 5: Solve for x
    x = 2,160,322,080.52/48,508.64
  6. Step 6: Final answer
    x = 44,534.79

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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.