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Finding the Fourth Proportional to 12,343.76, 17,016.68 and 8,800.82

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Solution

The fourth proportional to 12,343.76, 17,016.68 and 8,800.82 is: 12,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.76 : 17,016.68 = 8,800.82 : x
  2. Step 2: Convert to fraction form
    12,343.76/17,016.68 = 8,800.82/x
  3. Step 3: Cross multiply
    12,343.76x = 17,016.68 × 8,800.82
  4. Step 4: Simplify right side
    12,343.76x = 149,760,737.68
  5. Step 5: Solve for x
    x = 149,760,737.68/12,343.76
  6. Step 6: Final answer
    x = 12,132.51

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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.