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Finding the Fourth Proportional to 69,566.60, 104,273.10 and 38,424.20

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Solution

The fourth proportional to 69,566.60, 104,273.10 and 38,424.20 is: 57,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,566.60 : 104,273.10 = 38,424.20 : x
  2. Step 2: Convert to fraction form
    69,566.60/104,273.10 = 38,424.20/x
  3. Step 3: Cross multiply
    69,566.60x = 104,273.10 × 38,424.20
  4. Step 4: Simplify right side
    69,566.60x = 4,006,610,449.02
  5. Step 5: Solve for x
    x = 4,006,610,449.02/69,566.60
  6. Step 6: Final answer
    x = 57,593.88

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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.