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Finding the Fourth Proportional to 26.26, 35.96 and 25.11

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Solution

The fourth proportional to 26.26, 35.96 and 25.11 is: 34.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.26 : 35.96 = 25.11 : x
  2. Step 2: Convert to fraction form
    26.26/35.96 = 25.11/x
  3. Step 3: Cross multiply
    26.26x = 35.96 × 25.11
  4. Step 4: Simplify right side
    26.26x = 902.97
  5. Step 5: Solve for x
    x = 902.97/26.26
  6. Step 6: Final answer
    x = 34.39

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.