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Finding the Fourth Proportional to 57,204.20, 85,863.90 and 27,645.80

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Solution

The fourth proportional to 57,204.20, 85,863.90 and 27,645.80 is: 41,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,204.20 : 85,863.90 = 27,645.80 : x
  2. Step 2: Convert to fraction form
    57,204.20/85,863.90 = 27,645.80/x
  3. Step 3: Cross multiply
    57,204.20x = 85,863.90 × 27,645.80
  4. Step 4: Simplify right side
    57,204.20x = 2,373,776,206.62
  5. Step 5: Solve for x
    x = 2,373,776,206.62/57,204.20
  6. Step 6: Final answer
    x = 41,496.54

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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.