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Finding the Fourth Proportional to 24.44, 33.72 and 15.82

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Solution

The fourth proportional to 24.44, 33.72 and 15.82 is: 21.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.44 : 33.72 = 15.82 : x
  2. Step 2: Convert to fraction form
    24.44/33.72 = 15.82/x
  3. Step 3: Cross multiply
    24.44x = 33.72 × 15.82
  4. Step 4: Simplify right side
    24.44x = 533.45
  5. Step 5: Solve for x
    x = 533.45/24.44
  6. Step 6: Final answer
    x = 21.83

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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.