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Finding the Fourth Proportional to 26.13, 36.09 and 16.95

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Solution

The fourth proportional to 26.13, 36.09 and 16.95 is: 23.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.13 : 36.09 = 16.95 : x
  2. Step 2: Convert to fraction form
    26.13/36.09 = 16.95/x
  3. Step 3: Cross multiply
    26.13x = 36.09 × 16.95
  4. Step 4: Simplify right side
    26.13x = 611.73
  5. Step 5: Solve for x
    x = 611.73/26.13
  6. Step 6: Final answer
    x = 23.41

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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.