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Finding the Fourth Proportional to 96.31, 144.44 and 27.83

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Solution

The fourth proportional to 96.31, 144.44 and 27.83 is: 41.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.31 : 144.44 = 27.83 : x
  2. Step 2: Convert to fraction form
    96.31/144.44 = 27.83/x
  3. Step 3: Cross multiply
    96.31x = 144.44 × 27.83
  4. Step 4: Simplify right side
    96.31x = 4,019.77
  5. Step 5: Solve for x
    x = 4,019.77/96.31
  6. Step 6: Final answer
    x = 41.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.