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Finding the Fourth Proportional to 33.76, 50.60 and 25.73

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Solution

The fourth proportional to 33.76, 50.60 and 25.73 is: 38.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.76 : 50.60 = 25.73 : x
  2. Step 2: Convert to fraction form
    33.76/50.60 = 25.73/x
  3. Step 3: Cross multiply
    33.76x = 50.60 × 25.73
  4. Step 4: Simplify right side
    33.76x = 1,301.56
  5. Step 5: Solve for x
    x = 1,301.56/33.76
  6. Step 6: Final answer
    x = 38.56

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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.