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Finding the Fourth Proportional to 49,845.87, 68,847.03 and 36,395.82

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Solution

The fourth proportional to 49,845.87, 68,847.03 and 36,395.82 is: 50,269.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,845.87 : 68,847.03 = 36,395.82 : x
  2. Step 2: Convert to fraction form
    49,845.87/68,847.03 = 36,395.82/x
  3. Step 3: Cross multiply
    49,845.87x = 68,847.03 × 36,395.82
  4. Step 4: Simplify right side
    49,845.87x = 2,505,744,111.41
  5. Step 5: Solve for x
    x = 2,505,744,111.41/49,845.87
  6. Step 6: Final answer
    x = 50,269.84

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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.