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Finding the Fourth Proportional to 69.73, 96.25 and 46.49

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Solution

The fourth proportional to 69.73, 96.25 and 46.49 is: 64.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.73 : 96.25 = 46.49 : x
  2. Step 2: Convert to fraction form
    69.73/96.25 = 46.49/x
  3. Step 3: Cross multiply
    69.73x = 96.25 × 46.49
  4. Step 4: Simplify right side
    69.73x = 4,474.24
  5. Step 5: Solve for x
    x = 4,474.24/69.73
  6. Step 6: Final answer
    x = 64.16

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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.