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Finding the Fourth Proportional to 22.42, 33.61 and 16.41

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Solution

The fourth proportional to 22.42, 33.61 and 16.41 is: 24.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.42 : 33.61 = 16.41 : x
  2. Step 2: Convert to fraction form
    22.42/33.61 = 16.41/x
  3. Step 3: Cross multiply
    22.42x = 33.61 × 16.41
  4. Step 4: Simplify right side
    22.42x = 551.54
  5. Step 5: Solve for x
    x = 551.54/22.42
  6. Step 6: Final answer
    x = 24.60

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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.