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Finding the Fourth Proportional to 96.25, 132.83 and 57.44

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Solution

The fourth proportional to 96.25, 132.83 and 57.44 is: 79.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.25 : 132.83 = 57.44 : x
  2. Step 2: Convert to fraction form
    96.25/132.83 = 57.44/x
  3. Step 3: Cross multiply
    96.25x = 132.83 × 57.44
  4. Step 4: Simplify right side
    96.25x = 7,629.47
  5. Step 5: Solve for x
    x = 7,629.47/96.25
  6. Step 6: Final answer
    x = 79.27

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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.