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Finding the Fourth Proportional to 15,187.38, 22,780.93 and 4,799.13

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Solution

The fourth proportional to 15,187.38, 22,780.93 and 4,799.13 is: 7,198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187.38 : 22,780.93 = 4,799.13 : x
  2. Step 2: Convert to fraction form
    15,187.38/22,780.93 = 4,799.13/x
  3. Step 3: Cross multiply
    15,187.38x = 22,780.93 × 4,799.13
  4. Step 4: Simplify right side
    15,187.38x = 109,328,644.59
  5. Step 5: Solve for x
    x = 109,328,644.59/15,187.38
  6. Step 6: Final answer
    x = 7,198.65

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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.