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Finding the Fourth Proportional to 48,766.70, 73,155.92 and 17,170.20

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Solution

The fourth proportional to 48,766.70, 73,155.92 and 17,170.20 is: 25,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,766.70 : 73,155.92 = 17,170.20 : x
  2. Step 2: Convert to fraction form
    48,766.70/73,155.92 = 17,170.20/x
  3. Step 3: Cross multiply
    48,766.70x = 73,155.92 × 17,170.20
  4. Step 4: Simplify right side
    48,766.70x = 1,256,101,777.58
  5. Step 5: Solve for x
    x = 1,256,101,777.58/48,766.70
  6. Step 6: Final answer
    x = 25,757.37

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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.