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Finding the Fourth Proportional to 27.91, 38.41 and 24.44

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Solution

The fourth proportional to 27.91, 38.41 and 24.44 is: 33.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.91 : 38.41 = 24.44 : x
  2. Step 2: Convert to fraction form
    27.91/38.41 = 24.44/x
  3. Step 3: Cross multiply
    27.91x = 38.41 × 24.44
  4. Step 4: Simplify right side
    27.91x = 938.74
  5. Step 5: Solve for x
    x = 938.74/27.91
  6. Step 6: Final answer
    x = 33.63

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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.