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Finding the Fourth Proportional to 12,232.30, 18,349.80 and 3,910.90

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Solution

The fourth proportional to 12,232.30, 18,349.80 and 3,910.90 is: 5,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.30 : 18,349.80 = 3,910.90 : x
  2. Step 2: Convert to fraction form
    12,232.30/18,349.80 = 3,910.90/x
  3. Step 3: Cross multiply
    12,232.30x = 18,349.80 × 3,910.90
  4. Step 4: Simplify right side
    12,232.30x = 71,764,232.82
  5. Step 5: Solve for x
    x = 71,764,232.82/12,232.30
  6. Step 6: Final answer
    x = 5,866.78

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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.