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Finding the Fourth Proportional to 64.33, 96.44 and 23.73

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Solution

The fourth proportional to 64.33, 96.44 and 23.73 is: 35.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.33 : 96.44 = 23.73 : x
  2. Step 2: Convert to fraction form
    64.33/96.44 = 23.73/x
  3. Step 3: Cross multiply
    64.33x = 96.44 × 23.73
  4. Step 4: Simplify right side
    64.33x = 2,287.92
  5. Step 5: Solve for x
    x = 2,287.92/64.33
  6. Step 6: Final answer
    x = 35.57

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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.