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Finding the Fourth Proportional to 57,366.20, 86,049.30 and 41,814.20

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Solution

The fourth proportional to 57,366.20, 86,049.30 and 41,814.20 is: 62,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,366.20 : 86,049.30 = 41,814.20 : x
  2. Step 2: Convert to fraction form
    57,366.20/86,049.30 = 41,814.20/x
  3. Step 3: Cross multiply
    57,366.20x = 86,049.30 × 41,814.20
  4. Step 4: Simplify right side
    57,366.20x = 3,598,082,640.06
  5. Step 5: Solve for x
    x = 3,598,082,640.06/57,366.20
  6. Step 6: Final answer
    x = 62,721.30

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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.