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Finding the Fourth Proportional to 96.37, 132.99 and 52.71

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Solution

The fourth proportional to 96.37, 132.99 and 52.71 is: 72.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.37 : 132.99 = 52.71 : x
  2. Step 2: Convert to fraction form
    96.37/132.99 = 52.71/x
  3. Step 3: Cross multiply
    96.37x = 132.99 × 52.71
  4. Step 4: Simplify right side
    96.37x = 7,009.70
  5. Step 5: Solve for x
    x = 7,009.70/96.37
  6. Step 6: Final answer
    x = 72.74

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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.