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Finding the Fourth Proportional to 33.60, 50.44 and 18.36

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Solution

The fourth proportional to 33.60, 50.44 and 18.36 is: 27.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.60 : 50.44 = 18.36 : x
  2. Step 2: Convert to fraction form
    33.60/50.44 = 18.36/x
  3. Step 3: Cross multiply
    33.60x = 50.44 × 18.36
  4. Step 4: Simplify right side
    33.60x = 926.08
  5. Step 5: Solve for x
    x = 926.08/33.60
  6. Step 6: Final answer
    x = 27.56

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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.