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Finding the Fourth Proportional to 33.98, 46.82 and 25.22

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Solution

The fourth proportional to 33.98, 46.82 and 25.22 is: 34.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.98 : 46.82 = 25.22 : x
  2. Step 2: Convert to fraction form
    33.98/46.82 = 25.22/x
  3. Step 3: Cross multiply
    33.98x = 46.82 × 25.22
  4. Step 4: Simplify right side
    33.98x = 1,180.80
  5. Step 5: Solve for x
    x = 1,180.80/33.98
  6. Step 6: Final answer
    x = 34.75

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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.