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Finding the Fourth Proportional to 24.21, 33.44 and 16.97

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Solution

The fourth proportional to 24.21, 33.44 and 16.97 is: 23.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.21 : 33.44 = 16.97 : x
  2. Step 2: Convert to fraction form
    24.21/33.44 = 16.97/x
  3. Step 3: Cross multiply
    24.21x = 33.44 × 16.97
  4. Step 4: Simplify right side
    24.21x = 567.22
  5. Step 5: Solve for x
    x = 567.22/24.21
  6. Step 6: Final answer
    x = 23.43

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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.