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Finding the Fourth Proportional to 24.48, 33.71 and 22.19

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Solution

The fourth proportional to 24.48, 33.71 and 22.19 is: 30.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.48 : 33.71 = 22.19 : x
  2. Step 2: Convert to fraction form
    24.48/33.71 = 22.19/x
  3. Step 3: Cross multiply
    24.48x = 33.71 × 22.19
  4. Step 4: Simplify right side
    24.48x = 747.75
  5. Step 5: Solve for x
    x = 747.75/24.48
  6. Step 6: Final answer
    x = 30.55

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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.