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Finding the Fourth Proportional to 27,201.92, 40,791.96 and 8,475.80

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Solution

The fourth proportional to 27,201.92, 40,791.96 and 8,475.80 is: 12,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,201.92 : 40,791.96 = 8,475.80 : x
  2. Step 2: Convert to fraction form
    27,201.92/40,791.96 = 8,475.80/x
  3. Step 3: Cross multiply
    27,201.92x = 40,791.96 × 8,475.80
  4. Step 4: Simplify right side
    27,201.92x = 345,744,494.57
  5. Step 5: Solve for x
    x = 345,744,494.57/27,201.92
  6. Step 6: Final answer
    x = 12,710.30

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1.5x scale

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.