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Finding the Fourth Proportional to 59,304.80, 88,961.92 and 19,862.12

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Solution

The fourth proportional to 59,304.80, 88,961.92 and 19,862.12 is: 29,794.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,304.80 : 88,961.92 = 19,862.12 : x
  2. Step 2: Convert to fraction form
    59,304.80/88,961.92 = 19,862.12/x
  3. Step 3: Cross multiply
    59,304.80x = 88,961.92 × 19,862.12
  4. Step 4: Simplify right side
    59,304.80x = 1,766,972,330.47
  5. Step 5: Solve for x
    x = 1,766,972,330.47/59,304.80
  6. Step 6: Final answer
    x = 29,794.76

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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.