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Finding the Fourth Proportional to 49,861.43, 68,834.16 and 38,505.44

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Solution

The fourth proportional to 49,861.43, 68,834.16 and 38,505.44 is: 53,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,861.43 : 68,834.16 = 38,505.44 : x
  2. Step 2: Convert to fraction form
    49,861.43/68,834.16 = 38,505.44/x
  3. Step 3: Cross multiply
    49,861.43x = 68,834.16 × 38,505.44
  4. Step 4: Simplify right side
    49,861.43x = 2,650,489,273.66
  5. Step 5: Solve for x
    x = 2,650,489,273.66/49,861.43
  6. Step 6: Final answer
    x = 53,157.10

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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.