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Finding the Fourth Proportional to 64.25, 95.24 and 63.23

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Solution

The fourth proportional to 64.25, 95.24 and 63.23 is: 93.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.25 : 95.24 = 63.23 : x
  2. Step 2: Convert to fraction form
    64.25/95.24 = 63.23/x
  3. Step 3: Cross multiply
    64.25x = 95.24 × 63.23
  4. Step 4: Simplify right side
    64.25x = 6,021.23
  5. Step 5: Solve for x
    x = 6,021.23/64.25
  6. Step 6: Final answer
    x = 93.72

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.