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Finding the Fourth Proportional to 26,647.75, 36,777.54 and 15,469.75

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Solution

The fourth proportional to 26,647.75, 36,777.54 and 15,469.75 is: 21,350.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,647.75 : 36,777.54 = 15,469.75 : x
  2. Step 2: Convert to fraction form
    26,647.75/36,777.54 = 15,469.75/x
  3. Step 3: Cross multiply
    26,647.75x = 36,777.54 × 15,469.75
  4. Step 4: Simplify right side
    26,647.75x = 568,939,349.42
  5. Step 5: Solve for x
    x = 568,939,349.42/26,647.75
  6. Step 6: Final answer
    x = 21,350.37

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