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Finding the Fourth Proportional to 57,373.87, 85,936.17 and 27,729.53

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Solution

The fourth proportional to 57,373.87, 85,936.17 and 27,729.53 is: 41,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,373.87 : 85,936.17 = 27,729.53 : x
  2. Step 2: Convert to fraction form
    57,373.87/85,936.17 = 27,729.53/x
  3. Step 3: Cross multiply
    57,373.87x = 85,936.17 × 27,729.53
  4. Step 4: Simplify right side
    57,373.87x = 2,382,969,604.10
  5. Step 5: Solve for x
    x = 2,382,969,604.10/57,373.87
  6. Step 6: Final answer
    x = 41,534.06

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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.