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Finding the Fourth Proportional to 62.35, 93.39 and 50.82

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Solution

The fourth proportional to 62.35, 93.39 and 50.82 is: 76.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.35 : 93.39 = 50.82 : x
  2. Step 2: Convert to fraction form
    62.35/93.39 = 50.82/x
  3. Step 3: Cross multiply
    62.35x = 93.39 × 50.82
  4. Step 4: Simplify right side
    62.35x = 4,745.54
  5. Step 5: Solve for x
    x = 4,745.54/62.35
  6. Step 6: Final answer
    x = 76.11

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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.