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Finding the Fourth Proportional to 49,873.65, 68,851.01 and 38,517.65

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Solution

The fourth proportional to 49,873.65, 68,851.01 and 38,517.65 is: 53,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,873.65 : 68,851.01 = 38,517.65 : x
  2. Step 2: Convert to fraction form
    49,873.65/68,851.01 = 38,517.65/x
  3. Step 3: Cross multiply
    49,873.65x = 68,851.01 × 38,517.65
  4. Step 4: Simplify right side
    49,873.65x = 2,651,979,115.56
  5. Step 5: Solve for x
    x = 2,651,979,115.56/49,873.65
  6. Step 6: Final answer
    x = 53,173.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.