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Finding the Fourth Proportional to 8,731.92, 12,049.98 and 4,753.02

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Solution

The fourth proportional to 8,731.92, 12,049.98 and 4,753.02 is: 6,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.92 : 12,049.98 = 4,753.02 : x
  2. Step 2: Convert to fraction form
    8,731.92/12,049.98 = 4,753.02/x
  3. Step 3: Cross multiply
    8,731.92x = 12,049.98 × 4,753.02
  4. Step 4: Simplify right side
    8,731.92x = 57,273,795.94
  5. Step 5: Solve for x
    x = 57,273,795.94/8,731.92
  6. Step 6: Final answer
    x = 6,559.13

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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.