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Finding the Fourth Proportional to 50.26, 69.32 and 33.88

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Solution

The fourth proportional to 50.26, 69.32 and 33.88 is: 46.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.26 : 69.32 = 33.88 : x
  2. Step 2: Convert to fraction form
    50.26/69.32 = 33.88/x
  3. Step 3: Cross multiply
    50.26x = 69.32 × 33.88
  4. Step 4: Simplify right side
    50.26x = 2,348.56
  5. Step 5: Solve for x
    x = 2,348.56/50.26
  6. Step 6: Final answer
    x = 46.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.