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Finding the Fourth Proportional to 64.76, 96.32 and 62.33

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Solution

The fourth proportional to 64.76, 96.32 and 62.33 is: 92.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.76 : 96.32 = 62.33 : x
  2. Step 2: Convert to fraction form
    64.76/96.32 = 62.33/x
  3. Step 3: Cross multiply
    64.76x = 96.32 × 62.33
  4. Step 4: Simplify right side
    64.76x = 6,003.30
  5. Step 5: Solve for x
    x = 6,003.30/64.76
  6. Step 6: Final answer
    x = 92.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.