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Finding the Fourth Proportional to 32.01, 44.11 and 30.95

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Solution

The fourth proportional to 32.01, 44.11 and 30.95 is: 42.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.01 : 44.11 = 30.95 : x
  2. Step 2: Convert to fraction form
    32.01/44.11 = 30.95/x
  3. Step 3: Cross multiply
    32.01x = 44.11 × 30.95
  4. Step 4: Simplify right side
    32.01x = 1,365.20
  5. Step 5: Solve for x
    x = 1,365.20/32.01
  6. Step 6: Final answer
    x = 42.65

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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.