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Finding the Fourth Proportional to 33.98, 46.91 and 26.22

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Solution

The fourth proportional to 33.98, 46.91 and 26.22 is: 36.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.98 : 46.91 = 26.22 : x
  2. Step 2: Convert to fraction form
    33.98/46.91 = 26.22/x
  3. Step 3: Cross multiply
    33.98x = 46.91 × 26.22
  4. Step 4: Simplify right side
    33.98x = 1,229.98
  5. Step 5: Solve for x
    x = 1,229.98/33.98
  6. Step 6: Final answer
    x = 36.20

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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.