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Finding the Fourth Proportional to 18,508.32, 25,542.08 and 10,124.82

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Solution

The fourth proportional to 18,508.32, 25,542.08 and 10,124.82 is: 13,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.32 : 25,542.08 = 10,124.82 : x
  2. Step 2: Convert to fraction form
    18,508.32/25,542.08 = 10,124.82/x
  3. Step 3: Cross multiply
    18,508.32x = 25,542.08 × 10,124.82
  4. Step 4: Simplify right side
    18,508.32x = 258,608,911.80
  5. Step 5: Solve for x
    x = 258,608,911.80/18,508.32
  6. Step 6: Final answer
    x = 13,972.58

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