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Finding the Fourth Proportional to 33.48, 49.92 and 32.88

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Solution

The fourth proportional to 33.48, 49.92 and 32.88 is: 49.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.48 : 49.92 = 32.88 : x
  2. Step 2: Convert to fraction form
    33.48/49.92 = 32.88/x
  3. Step 3: Cross multiply
    33.48x = 49.92 × 32.88
  4. Step 4: Simplify right side
    33.48x = 1,641.37
  5. Step 5: Solve for x
    x = 1,641.37/33.48
  6. Step 6: Final answer
    x = 49.03

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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.