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Finding the Fourth Proportional to 64.39, 96.52 and 23.24

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Solution

The fourth proportional to 64.39, 96.52 and 23.24 is: 34.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.39 : 96.52 = 23.24 : x
  2. Step 2: Convert to fraction form
    64.39/96.52 = 23.24/x
  3. Step 3: Cross multiply
    64.39x = 96.52 × 23.24
  4. Step 4: Simplify right side
    64.39x = 2,243.12
  5. Step 5: Solve for x
    x = 2,243.12/64.39
  6. Step 6: Final answer
    x = 34.84

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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.