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Finding the Fourth Proportional to 14,650.57, 20,224.79 and 8,361.73

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Solution

The fourth proportional to 14,650.57, 20,224.79 and 8,361.73 is: 11,543.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.57 : 20,224.79 = 8,361.73 : x
  2. Step 2: Convert to fraction form
    14,650.57/20,224.79 = 8,361.73/x
  3. Step 3: Cross multiply
    14,650.57x = 20,224.79 × 8,361.73
  4. Step 4: Simplify right side
    14,650.57x = 169,114,233.29
  5. Step 5: Solve for x
    x = 169,114,233.29/14,650.57
  6. Step 6: Final answer
    x = 11,543.18

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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.