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Finding the Fourth Proportional to 33.28, 45.96 and 24.09

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Solution

The fourth proportional to 33.28, 45.96 and 24.09 is: 33.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.28 : 45.96 = 24.09 : x
  2. Step 2: Convert to fraction form
    33.28/45.96 = 24.09/x
  3. Step 3: Cross multiply
    33.28x = 45.96 × 24.09
  4. Step 4: Simplify right side
    33.28x = 1,107.17
  5. Step 5: Solve for x
    x = 1,107.17/33.28
  6. Step 6: Final answer
    x = 33.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.