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Finding the Fourth Proportional to 15,149.28, 22,693.68 and 12,034.56

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Solution

The fourth proportional to 15,149.28, 22,693.68 and 12,034.56 is: 18,027.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.28 : 22,693.68 = 12,034.56 : x
  2. Step 2: Convert to fraction form
    15,149.28/22,693.68 = 12,034.56/x
  3. Step 3: Cross multiply
    15,149.28x = 22,693.68 × 12,034.56
  4. Step 4: Simplify right side
    15,149.28x = 273,108,453.58
  5. Step 5: Solve for x
    x = 273,108,453.58/15,149.28
  6. Step 6: Final answer
    x = 18,027.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.