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Finding the Fourth Proportional to 26.27, 36.24 and 22.18

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Solution

The fourth proportional to 26.27, 36.24 and 22.18 is: 30.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.27 : 36.24 = 22.18 : x
  2. Step 2: Convert to fraction form
    26.27/36.24 = 22.18/x
  3. Step 3: Cross multiply
    26.27x = 36.24 × 22.18
  4. Step 4: Simplify right side
    26.27x = 803.80
  5. Step 5: Solve for x
    x = 803.80/26.27
  6. Step 6: Final answer
    x = 30.60

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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.