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Finding the Fourth Proportional to 33.28, 49.84 and 29.24

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Solution

The fourth proportional to 33.28, 49.84 and 29.24 is: 43.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.28 : 49.84 = 29.24 : x
  2. Step 2: Convert to fraction form
    33.28/49.84 = 29.24/x
  3. Step 3: Cross multiply
    33.28x = 49.84 × 29.24
  4. Step 4: Simplify right side
    33.28x = 1,457.32
  5. Step 5: Solve for x
    x = 1,457.32/33.28
  6. Step 6: Final answer
    x = 43.79

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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.