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Finding the Fourth Proportional to 33.28, 45.81 and 32.24

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Solution

The fourth proportional to 33.28, 45.81 and 32.24 is: 44.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.28 : 45.81 = 32.24 : x
  2. Step 2: Convert to fraction form
    33.28/45.81 = 32.24/x
  3. Step 3: Cross multiply
    33.28x = 45.81 × 32.24
  4. Step 4: Simplify right side
    33.28x = 1,477.03
  5. Step 5: Solve for x
    x = 1,477.03/33.28
  6. Step 6: Final answer
    x = 44.39

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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.