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Finding the Fourth Proportional to 26.03, 39.22 and 22.66

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Solution

The fourth proportional to 26.03, 39.22 and 22.66 is: 34.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.03 : 39.22 = 22.66 : x
  2. Step 2: Convert to fraction form
    26.03/39.22 = 22.66/x
  3. Step 3: Cross multiply
    26.03x = 39.22 × 22.66
  4. Step 4: Simplify right side
    26.03x = 888.57
  5. Step 5: Solve for x
    x = 888.57/26.03
  6. Step 6: Final answer
    x = 34.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.