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Finding the Fourth Proportional to 32.13, 44.01 and 31.95

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Solution

The fourth proportional to 32.13, 44.01 and 31.95 is: 43.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.13 : 44.01 = 31.95 : x
  2. Step 2: Convert to fraction form
    32.13/44.01 = 31.95/x
  3. Step 3: Cross multiply
    32.13x = 44.01 × 31.95
  4. Step 4: Simplify right side
    32.13x = 1,406.12
  5. Step 5: Solve for x
    x = 1,406.12/32.13
  6. Step 6: Final answer
    x = 43.76

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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.