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Finding the Fourth Proportional to 18,155.52, 27,100.80 and 15,575.04

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Solution

The fourth proportional to 18,155.52, 27,100.80 and 15,575.04 is: 23,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.52 : 27,100.80 = 15,575.04 : x
  2. Step 2: Convert to fraction form
    18,155.52/27,100.80 = 15,575.04/x
  3. Step 3: Cross multiply
    18,155.52x = 27,100.80 × 15,575.04
  4. Step 4: Simplify right side
    18,155.52x = 422,096,044.03
  5. Step 5: Solve for x
    x = 422,096,044.03/18,155.52
  6. Step 6: Final answer
    x = 23,248.91

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.