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Finding the Fourth Proportional to 36.70, 55.03 and 17.44

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Solution

The fourth proportional to 36.70, 55.03 and 17.44 is: 26.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.70 : 55.03 = 17.44 : x
  2. Step 2: Convert to fraction form
    36.70/55.03 = 17.44/x
  3. Step 3: Cross multiply
    36.70x = 55.03 × 17.44
  4. Step 4: Simplify right side
    36.70x = 959.72
  5. Step 5: Solve for x
    x = 959.72/36.70
  6. Step 6: Final answer
    x = 26.15

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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.