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Finding the Fourth Proportional to 26,255.88, 39,361.68 and 11,453.94

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Solution

The fourth proportional to 26,255.88, 39,361.68 and 11,453.94 is: 17,171.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.88 : 39,361.68 = 11,453.94 : x
  2. Step 2: Convert to fraction form
    26,255.88/39,361.68 = 11,453.94/x
  3. Step 3: Cross multiply
    26,255.88x = 39,361.68 × 11,453.94
  4. Step 4: Simplify right side
    26,255.88x = 450,846,321.02
  5. Step 5: Solve for x
    x = 450,846,321.02/26,255.88
  6. Step 6: Final answer
    x = 17,171.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.