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Finding the Fourth Proportional to 36.23, 54.37 and 26

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Solution

The fourth proportional to 36.23, 54.37 and 26 is: 39.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.23 : 54.37 = 26 : x
  2. Step 2: Convert to fraction form
    36.23/54.37 = 26/x
  3. Step 3: Cross multiply
    36.23x = 54.37 × 26
  4. Step 4: Simplify right side
    36.23x = 1,413.62
  5. Step 5: Solve for x
    x = 1,413.62/36.23
  6. Step 6: Final answer
    x = 39.02

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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.