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Finding the Fourth Proportional to 26.98, 37.24 and 26.94

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Solution

The fourth proportional to 26.98, 37.24 and 26.94 is: 37.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.98 : 37.24 = 26.94 : x
  2. Step 2: Convert to fraction form
    26.98/37.24 = 26.94/x
  3. Step 3: Cross multiply
    26.98x = 37.24 × 26.94
  4. Step 4: Simplify right side
    26.98x = 1,003.25
  5. Step 5: Solve for x
    x = 1,003.25/26.98
  6. Step 6: Final answer
    x = 37.18

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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.