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Finding the Fourth Proportional to 48,759.60, 73,163.70 and 27,715.80

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Solution

The fourth proportional to 48,759.60, 73,163.70 and 27,715.80 is: 41,587.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,759.60 : 73,163.70 = 27,715.80 : x
  2. Step 2: Convert to fraction form
    48,759.60/73,163.70 = 27,715.80/x
  3. Step 3: Cross multiply
    48,759.60x = 73,163.70 × 27,715.80
  4. Step 4: Simplify right side
    48,759.60x = 2,027,790,476.46
  5. Step 5: Solve for x
    x = 2,027,790,476.46/48,759.60
  6. Step 6: Final answer
    x = 41,587.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.