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Finding the Fourth Proportional to 31.46, 43.50 and 24.24

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Solution

The fourth proportional to 31.46, 43.50 and 24.24 is: 33.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31.46 : 43.50 = 24.24 : x
  2. Step 2: Convert to fraction form
    31.46/43.50 = 24.24/x
  3. Step 3: Cross multiply
    31.46x = 43.50 × 24.24
  4. Step 4: Simplify right side
    31.46x = 1,054.44
  5. Step 5: Solve for x
    x = 1,054.44/31.46
  6. Step 6: Final answer
    x = 33.52

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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.