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Finding the Fourth Proportional to 26.19, 39.11 and 22.14

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Solution

The fourth proportional to 26.19, 39.11 and 22.14 is: 33.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.19 : 39.11 = 22.14 : x
  2. Step 2: Convert to fraction form
    26.19/39.11 = 22.14/x
  3. Step 3: Cross multiply
    26.19x = 39.11 × 22.14
  4. Step 4: Simplify right side
    26.19x = 865.78
  5. Step 5: Solve for x
    x = 865.78/26.19
  6. Step 6: Final answer
    x = 33.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.