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Finding the Fourth Proportional to 26.11, 35.99 and 16.88

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Solution

The fourth proportional to 26.11, 35.99 and 16.88 is: 23.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.11 : 35.99 = 16.88 : x
  2. Step 2: Convert to fraction form
    26.11/35.99 = 16.88/x
  3. Step 3: Cross multiply
    26.11x = 35.99 × 16.88
  4. Step 4: Simplify right side
    26.11x = 607.61
  5. Step 5: Solve for x
    x = 607.61/26.11
  6. Step 6: Final answer
    x = 23.27

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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.