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Finding the Fourth Proportional to 49,847.87, 68,849.79 and 36,397.82

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Solution

The fourth proportional to 49,847.87, 68,849.79 and 36,397.82 is: 50,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,847.87 : 68,849.79 = 36,397.82 : x
  2. Step 2: Convert to fraction form
    49,847.87/68,849.79 = 36,397.82/x
  3. Step 3: Cross multiply
    49,847.87x = 68,849.79 × 36,397.82
  4. Step 4: Simplify right side
    49,847.87x = 2,505,982,263.46
  5. Step 5: Solve for x
    x = 2,505,982,263.46/49,847.87
  6. Step 6: Final answer
    x = 50,272.60

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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.