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Finding the Fourth Proportional to 32.74, 49.17 and 25.54

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Solution

The fourth proportional to 32.74, 49.17 and 25.54 is: 38.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.74 : 49.17 = 25.54 : x
  2. Step 2: Convert to fraction form
    32.74/49.17 = 25.54/x
  3. Step 3: Cross multiply
    32.74x = 49.17 × 25.54
  4. Step 4: Simplify right side
    32.74x = 1,255.80
  5. Step 5: Solve for x
    x = 1,255.80/32.74
  6. Step 6: Final answer
    x = 38.36

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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.