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Finding the Fourth Proportional to 70.60, 97.43 and 44

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Solution

The fourth proportional to 70.60, 97.43 and 44 is: 60.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70.60 : 97.43 = 44 : x
  2. Step 2: Convert to fraction form
    70.60/97.43 = 44/x
  3. Step 3: Cross multiply
    70.60x = 97.43 × 44
  4. Step 4: Simplify right side
    70.60x = 4,286.92
  5. Step 5: Solve for x
    x = 4,286.92/70.60
  6. Step 6: Final answer
    x = 60.72

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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.