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Finding the Fourth Proportional to 64, 95.36 and 63.36

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Solution

The fourth proportional to 64, 95.36 and 63.36 is: 94.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64 : 95.36 = 63.36 : x
  2. Step 2: Convert to fraction form
    64/95.36 = 63.36/x
  3. Step 3: Cross multiply
    64x = 95.36 × 63.36
  4. Step 4: Simplify right side
    64x = 6,042.01
  5. Step 5: Solve for x
    x = 6,042.01/64
  6. Step 6: Final answer
    x = 94.41

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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.