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Finding the Fourth Proportional to 42,251.52, 63,350.54 and 35,986.98

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Solution

The fourth proportional to 42,251.52, 63,350.54 and 35,986.98 is: 53,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,251.52 : 63,350.54 = 35,986.98 : x
  2. Step 2: Convert to fraction form
    42,251.52/63,350.54 = 35,986.98/x
  3. Step 3: Cross multiply
    42,251.52x = 63,350.54 × 35,986.98
  4. Step 4: Simplify right side
    42,251.52x = 2,279,794,615.97
  5. Step 5: Solve for x
    x = 2,279,794,615.97/42,251.52
  6. Step 6: Final answer
    x = 53,957.69

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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.