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Finding the Fourth Proportional to 62.44, 85.54 and 60.95

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Solution

The fourth proportional to 62.44, 85.54 and 60.95 is: 83.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.44 : 85.54 = 60.95 : x
  2. Step 2: Convert to fraction form
    62.44/85.54 = 60.95/x
  3. Step 3: Cross multiply
    62.44x = 85.54 × 60.95
  4. Step 4: Simplify right side
    62.44x = 5,213.66
  5. Step 5: Solve for x
    x = 5,213.66/62.44
  6. Step 6: Final answer
    x = 83.50

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.