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Finding the Fourth Proportional to 96.46, 133.12 and 59.62

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Solution

The fourth proportional to 96.46, 133.12 and 59.62 is: 82.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.46 : 133.12 = 59.62 : x
  2. Step 2: Convert to fraction form
    96.46/133.12 = 59.62/x
  3. Step 3: Cross multiply
    96.46x = 133.12 × 59.62
  4. Step 4: Simplify right side
    96.46x = 7,936.61
  5. Step 5: Solve for x
    x = 7,936.61/96.46
  6. Step 6: Final answer
    x = 82.28

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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.