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Finding the Fourth Proportional to 33.44, 50.11 and 28.94

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Solution

The fourth proportional to 33.44, 50.11 and 28.94 is: 43.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.44 : 50.11 = 28.94 : x
  2. Step 2: Convert to fraction form
    33.44/50.11 = 28.94/x
  3. Step 3: Cross multiply
    33.44x = 50.11 × 28.94
  4. Step 4: Simplify right side
    33.44x = 1,449.86
  5. Step 5: Solve for x
    x = 1,449.86/33.44
  6. Step 6: Final answer
    x = 43.36

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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.