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Finding the Fourth Proportional to 26.73, 36.90 and 17.01

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Solution

The fourth proportional to 26.73, 36.90 and 17.01 is: 23.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.73 : 36.90 = 17.01 : x
  2. Step 2: Convert to fraction form
    26.73/36.90 = 17.01/x
  3. Step 3: Cross multiply
    26.73x = 36.90 × 17.01
  4. Step 4: Simplify right side
    26.73x = 627.67
  5. Step 5: Solve for x
    x = 627.67/26.73
  6. Step 6: Final answer
    x = 23.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.