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Finding the Fourth Proportional to 33.14, 49.36 and 30.92

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Solution

The fourth proportional to 33.14, 49.36 and 30.92 is: 46.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.14 : 49.36 = 30.92 : x
  2. Step 2: Convert to fraction form
    33.14/49.36 = 30.92/x
  3. Step 3: Cross multiply
    33.14x = 49.36 × 30.92
  4. Step 4: Simplify right side
    33.14x = 1,525.95
  5. Step 5: Solve for x
    x = 1,525.95/33.14
  6. Step 6: Final answer
    x = 46.04

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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.