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Finding the Fourth Proportional to 26.16, 35.92 and 25.44

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Solution

The fourth proportional to 26.16, 35.92 and 25.44 is: 34.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.16 : 35.92 = 25.44 : x
  2. Step 2: Convert to fraction form
    26.16/35.92 = 25.44/x
  3. Step 3: Cross multiply
    26.16x = 35.92 × 25.44
  4. Step 4: Simplify right side
    26.16x = 913.80
  5. Step 5: Solve for x
    x = 913.80/26.16
  6. Step 6: Final answer
    x = 34.93

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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.