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Finding the Fourth Proportional to 52,753.54, 79,121.76 and 19,489.27

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Solution

The fourth proportional to 52,753.54, 79,121.76 and 19,489.27 is: 29,230.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,753.54 : 79,121.76 = 19,489.27 : x
  2. Step 2: Convert to fraction form
    52,753.54/79,121.76 = 19,489.27/x
  3. Step 3: Cross multiply
    52,753.54x = 79,121.76 × 19,489.27
  4. Step 4: Simplify right side
    52,753.54x = 1,542,025,343.52
  5. Step 5: Solve for x
    x = 1,542,025,343.52/52,753.54
  6. Step 6: Final answer
    x = 29,230.75

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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.