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Finding the Fourth Proportional to 33.24, 45.87 and 19.44

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Solution

The fourth proportional to 33.24, 45.87 and 19.44 is: 26.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.24 : 45.87 = 19.44 : x
  2. Step 2: Convert to fraction form
    33.24/45.87 = 19.44/x
  3. Step 3: Cross multiply
    33.24x = 45.87 × 19.44
  4. Step 4: Simplify right side
    33.24x = 891.71
  5. Step 5: Solve for x
    x = 891.71/33.24
  6. Step 6: Final answer
    x = 26.83

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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.