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Finding the Fourth Proportional to 36.71, 55.07 and 17.46

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Solution

The fourth proportional to 36.71, 55.07 and 17.46 is: 26.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.71 : 55.07 = 17.46 : x
  2. Step 2: Convert to fraction form
    36.71/55.07 = 17.46/x
  3. Step 3: Cross multiply
    36.71x = 55.07 × 17.46
  4. Step 4: Simplify right side
    36.71x = 961.46
  5. Step 5: Solve for x
    x = 961.46/36.71
  6. Step 6: Final answer
    x = 26.19

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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.