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Finding the Fourth Proportional to 57,040.56, 85,489.56 and 27,450.48

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Solution

The fourth proportional to 57,040.56, 85,489.56 and 27,450.48 is: 41,141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,040.56 : 85,489.56 = 27,450.48 : x
  2. Step 2: Convert to fraction form
    57,040.56/85,489.56 = 27,450.48/x
  3. Step 3: Cross multiply
    57,040.56x = 85,489.56 × 27,450.48
  4. Step 4: Simplify right side
    57,040.56x = 2,346,729,456.99
  5. Step 5: Solve for x
    x = 2,346,729,456.99/57,040.56
  6. Step 6: Final answer
    x = 41,141.42

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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.