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Finding the Fourth Proportional to 96.12, 132.65 and 52.46

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Solution

The fourth proportional to 96.12, 132.65 and 52.46 is: 72.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.12 : 132.65 = 52.46 : x
  2. Step 2: Convert to fraction form
    96.12/132.65 = 52.46/x
  3. Step 3: Cross multiply
    96.12x = 132.65 × 52.46
  4. Step 4: Simplify right side
    96.12x = 6,958.36
  5. Step 5: Solve for x
    x = 6,958.36/96.12
  6. Step 6: Final answer
    x = 72.39

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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.