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Finding the Fourth Proportional to 26.98, 37.42 and 26.24

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Solution

The fourth proportional to 26.98, 37.42 and 26.24 is: 36.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.98 : 37.42 = 26.24 : x
  2. Step 2: Convert to fraction form
    26.98/37.42 = 26.24/x
  3. Step 3: Cross multiply
    26.98x = 37.42 × 26.24
  4. Step 4: Simplify right side
    26.98x = 981.65
  5. Step 5: Solve for x
    x = 981.65/26.98
  6. Step 6: Final answer
    x = 36.39

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.