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Finding the Fourth Proportional to 32.44, 44.67 and 30.82

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Solution

The fourth proportional to 32.44, 44.67 and 30.82 is: 42.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.44 : 44.67 = 30.82 : x
  2. Step 2: Convert to fraction form
    32.44/44.67 = 30.82/x
  3. Step 3: Cross multiply
    32.44x = 44.67 × 30.82
  4. Step 4: Simplify right side
    32.44x = 1,376.73
  5. Step 5: Solve for x
    x = 1,376.73/32.44
  6. Step 6: Final answer
    x = 42.44

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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.