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Finding the Fourth Proportional to 31.94, 44.09 and 24.56

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Solution

The fourth proportional to 31.94, 44.09 and 24.56 is: 33.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31.94 : 44.09 = 24.56 : x
  2. Step 2: Convert to fraction form
    31.94/44.09 = 24.56/x
  3. Step 3: Cross multiply
    31.94x = 44.09 × 24.56
  4. Step 4: Simplify right side
    31.94x = 1,082.76
  5. Step 5: Solve for x
    x = 1,082.76/31.94
  6. Step 6: Final answer
    x = 33.90

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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.