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Finding the Fourth Proportional to 24.43, 33.61 and 22.13

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Solution

The fourth proportional to 24.43, 33.61 and 22.13 is: 30.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.43 : 33.61 = 22.13 : x
  2. Step 2: Convert to fraction form
    24.43/33.61 = 22.13/x
  3. Step 3: Cross multiply
    24.43x = 33.61 × 22.13
  4. Step 4: Simplify right side
    24.43x = 743.79
  5. Step 5: Solve for x
    x = 743.79/24.43
  6. Step 6: Final answer
    x = 30.45

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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.