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Finding the Fourth Proportional to 33.03, 49.18 and 32.79

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Solution

The fourth proportional to 33.03, 49.18 and 32.79 is: 48.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.03 : 49.18 = 32.79 : x
  2. Step 2: Convert to fraction form
    33.03/49.18 = 32.79/x
  3. Step 3: Cross multiply
    33.03x = 49.18 × 32.79
  4. Step 4: Simplify right side
    33.03x = 1,612.61
  5. Step 5: Solve for x
    x = 1,612.61/33.03
  6. Step 6: Final answer
    x = 48.82

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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.