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Finding the Fourth Proportional to 62.36, 85.82 and 59.48

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Solution

The fourth proportional to 62.36, 85.82 and 59.48 is: 81.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.36 : 85.82 = 59.48 : x
  2. Step 2: Convert to fraction form
    62.36/85.82 = 59.48/x
  3. Step 3: Cross multiply
    62.36x = 85.82 × 59.48
  4. Step 4: Simplify right side
    62.36x = 5,104.57
  5. Step 5: Solve for x
    x = 5,104.57/62.36
  6. Step 6: Final answer
    x = 81.86

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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.