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Finding the Fourth Proportional to 57.32, 85.97 and 24.82

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Solution

The fourth proportional to 57.32, 85.97 and 24.82 is: 37.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57.32 : 85.97 = 24.82 : x
  2. Step 2: Convert to fraction form
    57.32/85.97 = 24.82/x
  3. Step 3: Cross multiply
    57.32x = 85.97 × 24.82
  4. Step 4: Simplify right side
    57.32x = 2,133.44
  5. Step 5: Solve for x
    x = 2,133.44/57.32
  6. Step 6: Final answer
    x = 37.22

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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.