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Finding the Fourth Proportional to 26.22, 36.36 and 25.22

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Solution

The fourth proportional to 26.22, 36.36 and 25.22 is: 34.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.22 : 36.36 = 25.22 : x
  2. Step 2: Convert to fraction form
    26.22/36.36 = 25.22/x
  3. Step 3: Cross multiply
    26.22x = 36.36 × 25.22
  4. Step 4: Simplify right side
    26.22x = 916.82
  5. Step 5: Solve for x
    x = 916.82/26.22
  6. Step 6: Final answer
    x = 34.97

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.