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Finding the Fourth Proportional to 49,205.73, 67,936.60 and 37,855.20

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Solution

The fourth proportional to 49,205.73, 67,936.60 and 37,855.20 is: 52,265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,205.73 : 67,936.60 = 37,855.20 : x
  2. Step 2: Convert to fraction form
    49,205.73/67,936.60 = 37,855.20/x
  3. Step 3: Cross multiply
    49,205.73x = 67,936.60 × 37,855.20
  4. Step 4: Simplify right side
    49,205.73x = 2,571,753,593.95
  5. Step 5: Solve for x
    x = 2,571,753,593.95/49,205.73
  6. Step 6: Final answer
    x = 52,265.32

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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.