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Finding the Fourth Proportional to 48,542.67, 72,720.71 and 29,767.96

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Solution

The fourth proportional to 48,542.67, 72,720.71 and 29,767.96 is: 44,594.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,542.67 : 72,720.71 = 29,767.96 : x
  2. Step 2: Convert to fraction form
    48,542.67/72,720.71 = 29,767.96/x
  3. Step 3: Cross multiply
    48,542.67x = 72,720.71 × 29,767.96
  4. Step 4: Simplify right side
    48,542.67x = 2,164,746,914.81
  5. Step 5: Solve for x
    x = 2,164,746,914.81/48,542.67
  6. Step 6: Final answer
    x = 44,594.73

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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.