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Finding the Fourth Proportional to 16,192.20, 24,280.06 and 7,419.56

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Solution

The fourth proportional to 16,192.20, 24,280.06 and 7,419.56 is: 11,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,192.20 : 24,280.06 = 7,419.56 : x
  2. Step 2: Convert to fraction form
    16,192.20/24,280.06 = 7,419.56/x
  3. Step 3: Cross multiply
    16,192.20x = 24,280.06 × 7,419.56
  4. Step 4: Simplify right side
    16,192.20x = 180,147,361.97
  5. Step 5: Solve for x
    x = 180,147,361.97/16,192.20
  6. Step 6: Final answer
    x = 11,125.56

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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.