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Finding the Fourth Proportional to 73.97, 110.97 and 46.60

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Solution

The fourth proportional to 73.97, 110.97 and 46.60 is: 69.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.97 : 110.97 = 46.60 : x
  2. Step 2: Convert to fraction form
    73.97/110.97 = 46.60/x
  3. Step 3: Cross multiply
    73.97x = 110.97 × 46.60
  4. Step 4: Simplify right side
    73.97x = 5,171.20
  5. Step 5: Solve for x
    x = 5,171.20/73.97
  6. Step 6: Final answer
    x = 69.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.