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Finding the Fourth Proportional to 64.12, 96.17 and 62.41

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Solution

The fourth proportional to 64.12, 96.17 and 62.41 is: 93.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.12 : 96.17 = 62.41 : x
  2. Step 2: Convert to fraction form
    64.12/96.17 = 62.41/x
  3. Step 3: Cross multiply
    64.12x = 96.17 × 62.41
  4. Step 4: Simplify right side
    64.12x = 6,001.97
  5. Step 5: Solve for x
    x = 6,001.97/64.12
  6. Step 6: Final answer
    x = 93.61

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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.