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Finding the Fourth Proportional to 29.82, 44.72 and 8.44

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Solution

The fourth proportional to 29.82, 44.72 and 8.44 is: 12.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.82 : 44.72 = 8.44 : x
  2. Step 2: Convert to fraction form
    29.82/44.72 = 8.44/x
  3. Step 3: Cross multiply
    29.82x = 44.72 × 8.44
  4. Step 4: Simplify right side
    29.82x = 377.44
  5. Step 5: Solve for x
    x = 377.44/29.82
  6. Step 6: Final answer
    x = 12.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.