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Finding the Fourth Proportional to 26.82, 40.24 and 16.14

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Solution

The fourth proportional to 26.82, 40.24 and 16.14 is: 24.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.82 : 40.24 = 16.14 : x
  2. Step 2: Convert to fraction form
    26.82/40.24 = 16.14/x
  3. Step 3: Cross multiply
    26.82x = 40.24 × 16.14
  4. Step 4: Simplify right side
    26.82x = 649.47
  5. Step 5: Solve for x
    x = 649.47/26.82
  6. Step 6: Final answer
    x = 24.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.