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Finding the Fourth Proportional to 8,851.62, 13,229.13 and 8,151.06

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Solution

The fourth proportional to 8,851.62, 13,229.13 and 8,151.06 is: 12,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.62 : 13,229.13 = 8,151.06 : x
  2. Step 2: Convert to fraction form
    8,851.62/13,229.13 = 8,151.06/x
  3. Step 3: Cross multiply
    8,851.62x = 13,229.13 × 8,151.06
  4. Step 4: Simplify right side
    8,851.62x = 107,831,432.38
  5. Step 5: Solve for x
    x = 107,831,432.38/8,851.62
  6. Step 6: Final answer
    x = 12,182.11

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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.