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Finding the Fourth Proportional to 70.44, 97.18 and 44.60

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Solution

The fourth proportional to 70.44, 97.18 and 44.60 is: 61.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70.44 : 97.18 = 44.60 : x
  2. Step 2: Convert to fraction form
    70.44/97.18 = 44.60/x
  3. Step 3: Cross multiply
    70.44x = 97.18 × 44.60
  4. Step 4: Simplify right side
    70.44x = 4,334.23
  5. Step 5: Solve for x
    x = 4,334.23/70.44
  6. Step 6: Final answer
    x = 61.53

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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.