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Finding the Fourth Proportional to 57.04, 85.50 and 24.56

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Solution

The fourth proportional to 57.04, 85.50 and 24.56 is: 36.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57.04 : 85.50 = 24.56 : x
  2. Step 2: Convert to fraction form
    57.04/85.50 = 24.56/x
  3. Step 3: Cross multiply
    57.04x = 85.50 × 24.56
  4. Step 4: Simplify right side
    57.04x = 2,099.88
  5. Step 5: Solve for x
    x = 2,099.88/57.04
  6. Step 6: Final answer
    x = 36.81

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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.