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Finding the Fourth Proportional to 22,910.60, 34,361.10 and 11,232.20

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Solution

The fourth proportional to 22,910.60, 34,361.10 and 11,232.20 is: 16,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,910.60 : 34,361.10 = 11,232.20 : x
  2. Step 2: Convert to fraction form
    22,910.60/34,361.10 = 11,232.20/x
  3. Step 3: Cross multiply
    22,910.60x = 34,361.10 × 11,232.20
  4. Step 4: Simplify right side
    22,910.60x = 385,950,747.42
  5. Step 5: Solve for x
    x = 385,950,747.42/22,910.60
  6. Step 6: Final answer
    x = 16,845.95

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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.