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Finding the Fourth Proportional to 36,228.80, 54,343.20 and 27,480.80

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Solution

The fourth proportional to 36,228.80, 54,343.20 and 27,480.80 is: 41,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,228.80 : 54,343.20 = 27,480.80 : x
  2. Step 2: Convert to fraction form
    36,228.80/54,343.20 = 27,480.80/x
  3. Step 3: Cross multiply
    36,228.80x = 54,343.20 × 27,480.80
  4. Step 4: Simplify right side
    36,228.80x = 1,493,394,610.56
  5. Step 5: Solve for x
    x = 1,493,394,610.56/36,228.80
  6. Step 6: Final answer
    x = 41,221.20

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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.