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Finding the Fourth Proportional to 24.22, 33.42 and 17.74

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Solution

The fourth proportional to 24.22, 33.42 and 17.74 is: 24.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.22 : 33.42 = 17.74 : x
  2. Step 2: Convert to fraction form
    24.22/33.42 = 17.74/x
  3. Step 3: Cross multiply
    24.22x = 33.42 × 17.74
  4. Step 4: Simplify right side
    24.22x = 592.87
  5. Step 5: Solve for x
    x = 592.87/24.22
  6. Step 6: Final answer
    x = 24.48

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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.