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Finding the Fourth Proportional to 96.62, 133.32 and 52.95

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Solution

The fourth proportional to 96.62, 133.32 and 52.95 is: 73.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.62 : 133.32 = 52.95 : x
  2. Step 2: Convert to fraction form
    96.62/133.32 = 52.95/x
  3. Step 3: Cross multiply
    96.62x = 133.32 × 52.95
  4. Step 4: Simplify right side
    96.62x = 7,059.29
  5. Step 5: Solve for x
    x = 7,059.29/96.62
  6. Step 6: Final answer
    x = 73.07

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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.