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Finding the Fourth Proportional to 36.26, 54.44 and 35.42

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Solution

The fourth proportional to 36.26, 54.44 and 35.42 is: 53.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.26 : 54.44 = 35.42 : x
  2. Step 2: Convert to fraction form
    36.26/54.44 = 35.42/x
  3. Step 3: Cross multiply
    36.26x = 54.44 × 35.42
  4. Step 4: Simplify right side
    36.26x = 1,927.95
  5. Step 5: Solve for x
    x = 1,927.95/36.26
  6. Step 6: Final answer
    x = 53.17

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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.