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Finding the Fourth Proportional to 15,481.44, 23,229.99 and 7,152.08

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Solution

The fourth proportional to 15,481.44, 23,229.99 and 7,152.08 is: 10,731.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481.44 : 23,229.99 = 7,152.08 : x
  2. Step 2: Convert to fraction form
    15,481.44/23,229.99 = 7,152.08/x
  3. Step 3: Cross multiply
    15,481.44x = 23,229.99 × 7,152.08
  4. Step 4: Simplify right side
    15,481.44x = 166,142,630.73
  5. Step 5: Solve for x
    x = 166,142,630.73/15,481.44
  6. Step 6: Final answer
    x = 10,731.73

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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.