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Finding the Fourth Proportional to 63.36, 95.45 and 60.48

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Solution

The fourth proportional to 63.36, 95.45 and 60.48 is: 91.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.36 : 95.45 = 60.48 : x
  2. Step 2: Convert to fraction form
    63.36/95.45 = 60.48/x
  3. Step 3: Cross multiply
    63.36x = 95.45 × 60.48
  4. Step 4: Simplify right side
    63.36x = 5,772.51
  5. Step 5: Solve for x
    x = 5,772.51/63.36
  6. Step 6: Final answer
    x = 91.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.