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Finding the Fourth Proportional to 62.39, 93.67 and 39.59

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Solution

The fourth proportional to 62.39, 93.67 and 39.59 is: 59.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.39 : 93.67 = 39.59 : x
  2. Step 2: Convert to fraction form
    62.39/93.67 = 39.59/x
  3. Step 3: Cross multiply
    62.39x = 93.67 × 39.59
  4. Step 4: Simplify right side
    62.39x = 3,708.40
  5. Step 5: Solve for x
    x = 3,708.40/62.39
  6. Step 6: Final answer
    x = 59.44

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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.