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Finding the Fourth Proportional to 36.29, 54.47 and 17.03

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Solution

The fourth proportional to 36.29, 54.47 and 17.03 is: 25.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.29 : 54.47 = 17.03 : x
  2. Step 2: Convert to fraction form
    36.29/54.47 = 17.03/x
  3. Step 3: Cross multiply
    36.29x = 54.47 × 17.03
  4. Step 4: Simplify right side
    36.29x = 927.80
  5. Step 5: Solve for x
    x = 927.80/36.29
  6. Step 6: Final answer
    x = 25.56

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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.