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Finding the Fourth Proportional to 71,760.60, 107,582.58 and 25,046.28

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Solution

The fourth proportional to 71,760.60, 107,582.58 and 25,046.28 is: 37,549.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,760.60 : 107,582.58 = 25,046.28 : x
  2. Step 2: Convert to fraction form
    71,760.60/107,582.58 = 25,046.28/x
  3. Step 3: Cross multiply
    71,760.60x = 107,582.58 × 25,046.28
  4. Step 4: Simplify right side
    71,760.60x = 2,694,543,421.80
  5. Step 5: Solve for x
    x = 2,694,543,421.80/71,760.60
  6. Step 6: Final answer
    x = 37,549.06

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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.