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Finding the Fourth Proportional to 32.97, 49.42 and 12.41

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Solution

The fourth proportional to 32.97, 49.42 and 12.41 is: 18.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.97 : 49.42 = 12.41 : x
  2. Step 2: Convert to fraction form
    32.97/49.42 = 12.41/x
  3. Step 3: Cross multiply
    32.97x = 49.42 × 12.41
  4. Step 4: Simplify right side
    32.97x = 613.30
  5. Step 5: Solve for x
    x = 613.30/32.97
  6. Step 6: Final answer
    x = 18.60

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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.