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Finding the Fourth Proportional to 57,454.47, 86,179.47 and 29,374.20

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Solution

The fourth proportional to 57,454.47, 86,179.47 and 29,374.20 is: 44,060.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,454.47 : 86,179.47 = 29,374.20 : x
  2. Step 2: Convert to fraction form
    57,454.47/86,179.47 = 29,374.20/x
  3. Step 3: Cross multiply
    57,454.47x = 86,179.47 × 29,374.20
  4. Step 4: Simplify right side
    57,454.47x = 2,531,452,987.67
  5. Step 5: Solve for x
    x = 2,531,452,987.67/57,454.47
  6. Step 6: Final answer
    x = 44,060.16

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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.