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Finding the Fourth Proportional to 48,397.68, 72,584.22 and 15,121.11

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Solution

The fourth proportional to 48,397.68, 72,584.22 and 15,121.11 is: 22,677.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,397.68 : 72,584.22 = 15,121.11 : x
  2. Step 2: Convert to fraction form
    48,397.68/72,584.22 = 15,121.11/x
  3. Step 3: Cross multiply
    48,397.68x = 72,584.22 × 15,121.11
  4. Step 4: Simplify right side
    48,397.68x = 1,097,553,974.88
  5. Step 5: Solve for x
    x = 1,097,553,974.88/48,397.68
  6. Step 6: Final answer
    x = 22,677.82

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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.