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Finding the Fourth Proportional to 33.60, 50.41 and 14.34

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Solution

The fourth proportional to 33.60, 50.41 and 14.34 is: 21.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.60 : 50.41 = 14.34 : x
  2. Step 2: Convert to fraction form
    33.60/50.41 = 14.34/x
  3. Step 3: Cross multiply
    33.60x = 50.41 × 14.34
  4. Step 4: Simplify right side
    33.60x = 723.09
  5. Step 5: Solve for x
    x = 723.09/33.60
  6. Step 6: Final answer
    x = 21.52

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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.