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Finding the Fourth Proportional to 26.26, 36.18 and 25.06

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Solution

The fourth proportional to 26.26, 36.18 and 25.06 is: 34.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.26 : 36.18 = 25.06 : x
  2. Step 2: Convert to fraction form
    26.26/36.18 = 25.06/x
  3. Step 3: Cross multiply
    26.26x = 36.18 × 25.06
  4. Step 4: Simplify right side
    26.26x = 906.67
  5. Step 5: Solve for x
    x = 906.67/26.26
  6. Step 6: Final answer
    x = 34.53

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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.