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Finding the Fourth Proportional to 26.01, 35.92 and 18.26

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Solution

The fourth proportional to 26.01, 35.92 and 18.26 is: 25.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.01 : 35.92 = 18.26 : x
  2. Step 2: Convert to fraction form
    26.01/35.92 = 18.26/x
  3. Step 3: Cross multiply
    26.01x = 35.92 × 18.26
  4. Step 4: Simplify right side
    26.01x = 655.90
  5. Step 5: Solve for x
    x = 655.90/26.01
  6. Step 6: Final answer
    x = 25.22

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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.