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Finding the Fourth Proportional to 33.69, 50.52 and 14.43

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Solution

The fourth proportional to 33.69, 50.52 and 14.43 is: 21.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.69 : 50.52 = 14.43 : x
  2. Step 2: Convert to fraction form
    33.69/50.52 = 14.43/x
  3. Step 3: Cross multiply
    33.69x = 50.52 × 14.43
  4. Step 4: Simplify right side
    33.69x = 729.00
  5. Step 5: Solve for x
    x = 729.00/33.69
  6. Step 6: Final answer
    x = 21.64

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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.