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Finding the Fourth Proportional to 33.10, 49.39 and 32.49

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Solution

The fourth proportional to 33.10, 49.39 and 32.49 is: 48.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.10 : 49.39 = 32.49 : x
  2. Step 2: Convert to fraction form
    33.10/49.39 = 32.49/x
  3. Step 3: Cross multiply
    33.10x = 49.39 × 32.49
  4. Step 4: Simplify right side
    33.10x = 1,604.60
  5. Step 5: Solve for x
    x = 1,604.60/33.10
  6. Step 6: Final answer
    x = 48.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.