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Finding the Fourth Proportional to 29,945.43, 41,311.62 and 18,001.91

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Solution

The fourth proportional to 29,945.43, 41,311.62 and 18,001.91 is: 24,834.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,945.43 : 41,311.62 = 18,001.91 : x
  2. Step 2: Convert to fraction form
    29,945.43/41,311.62 = 18,001.91/x
  3. Step 3: Cross multiply
    29,945.43x = 41,311.62 × 18,001.91
  4. Step 4: Simplify right side
    29,945.43x = 743,688,168.47
  5. Step 5: Solve for x
    x = 743,688,168.47/29,945.43
  6. Step 6: Final answer
    x = 24,834.78

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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.