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Finding the Fourth Proportional to 25,067.76, 34,593 and 13,737.48

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Solution

The fourth proportional to 25,067.76, 34,593 and 13,737.48 is: 18,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,067.76 : 34,593 = 13,737.48 : x
  2. Step 2: Convert to fraction form
    25,067.76/34,593 = 13,737.48/x
  3. Step 3: Cross multiply
    25,067.76x = 34,593 × 13,737.48
  4. Step 4: Simplify right side
    25,067.76x = 475,220,645.64
  5. Step 5: Solve for x
    x = 475,220,645.64/25,067.76
  6. Step 6: Final answer
    x = 18,957.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.