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Finding the Fourth Proportional to 12,168.02, 18,253.82 and 3,846.14

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Solution

The fourth proportional to 12,168.02, 18,253.82 and 3,846.14 is: 5,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.02 : 18,253.82 = 3,846.14 : x
  2. Step 2: Convert to fraction form
    12,168.02/18,253.82 = 3,846.14/x
  3. Step 3: Cross multiply
    12,168.02x = 18,253.82 × 3,846.14
  4. Step 4: Simplify right side
    12,168.02x = 70,206,836.73
  5. Step 5: Solve for x
    x = 70,206,836.73/12,168.02
  6. Step 6: Final answer
    x = 5,769.78

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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.