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Finding the Fourth Proportional to 64.52, 96.71 and 23.92

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Solution

The fourth proportional to 64.52, 96.71 and 23.92 is: 35.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.52 : 96.71 = 23.92 : x
  2. Step 2: Convert to fraction form
    64.52/96.71 = 23.92/x
  3. Step 3: Cross multiply
    64.52x = 96.71 × 23.92
  4. Step 4: Simplify right side
    64.52x = 2,312.94
  5. Step 5: Solve for x
    x = 2,312.94/64.52
  6. Step 6: Final answer
    x = 35.85

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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.