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Finding the Fourth Proportional to 33.74, 50.56 and 19.27

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Solution

The fourth proportional to 33.74, 50.56 and 19.27 is: 28.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.74 : 50.56 = 19.27 : x
  2. Step 2: Convert to fraction form
    33.74/50.56 = 19.27/x
  3. Step 3: Cross multiply
    33.74x = 50.56 × 19.27
  4. Step 4: Simplify right side
    33.74x = 974.29
  5. Step 5: Solve for x
    x = 974.29/33.74
  6. Step 6: Final answer
    x = 28.88

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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.