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Finding the Fourth Proportional to 62.62, 93.78 and 44.58

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Solution

The fourth proportional to 62.62, 93.78 and 44.58 is: 66.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.62 : 93.78 = 44.58 : x
  2. Step 2: Convert to fraction form
    62.62/93.78 = 44.58/x
  3. Step 3: Cross multiply
    62.62x = 93.78 × 44.58
  4. Step 4: Simplify right side
    62.62x = 4,180.71
  5. Step 5: Solve for x
    x = 4,180.71/62.62
  6. Step 6: Final answer
    x = 66.76

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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.