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Finding the Fourth Proportional to 36.75, 55.08 and 17.46

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Solution

The fourth proportional to 36.75, 55.08 and 17.46 is: 26.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.75 : 55.08 = 17.46 : x
  2. Step 2: Convert to fraction form
    36.75/55.08 = 17.46/x
  3. Step 3: Cross multiply
    36.75x = 55.08 × 17.46
  4. Step 4: Simplify right side
    36.75x = 961.70
  5. Step 5: Solve for x
    x = 961.70/36.75
  6. Step 6: Final answer
    x = 26.17

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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.