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Finding the Fourth Proportional to 32.27, 44.22 and 31.92

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Solution

The fourth proportional to 32.27, 44.22 and 31.92 is: 43.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.27 : 44.22 = 31.92 : x
  2. Step 2: Convert to fraction form
    32.27/44.22 = 31.92/x
  3. Step 3: Cross multiply
    32.27x = 44.22 × 31.92
  4. Step 4: Simplify right side
    32.27x = 1,411.50
  5. Step 5: Solve for x
    x = 1,411.50/32.27
  6. Step 6: Final answer
    x = 43.75

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.