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Finding the Fourth Proportional to 36.63, 54.95 and 10.96

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Solution

The fourth proportional to 36.63, 54.95 and 10.96 is: 16.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.63 : 54.95 = 10.96 : x
  2. Step 2: Convert to fraction form
    36.63/54.95 = 10.96/x
  3. Step 3: Cross multiply
    36.63x = 54.95 × 10.96
  4. Step 4: Simplify right side
    36.63x = 601.98
  5. Step 5: Solve for x
    x = 601.98/36.63
  6. Step 6: Final answer
    x = 16.43

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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.