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Finding the Fourth Proportional to 33.79, 50.44 and 29.69

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Solution

The fourth proportional to 33.79, 50.44 and 29.69 is: 44.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.79 : 50.44 = 29.69 : x
  2. Step 2: Convert to fraction form
    33.79/50.44 = 29.69/x
  3. Step 3: Cross multiply
    33.79x = 50.44 × 29.69
  4. Step 4: Simplify right side
    33.79x = 1,497.69
  5. Step 5: Solve for x
    x = 1,497.69/33.79
  6. Step 6: Final answer
    x = 44.32

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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.