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Finding the Fourth Proportional to 26,883.72, 40,333.78 and 13,745.32

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Solution

The fourth proportional to 26,883.72, 40,333.78 and 13,745.32 is: 20,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,883.72 : 40,333.78 = 13,745.32 : x
  2. Step 2: Convert to fraction form
    26,883.72/40,333.78 = 13,745.32/x
  3. Step 3: Cross multiply
    26,883.72x = 40,333.78 × 13,745.32
  4. Step 4: Simplify right side
    26,883.72x = 554,400,629.26
  5. Step 5: Solve for x
    x = 554,400,629.26/26,883.72
  6. Step 6: Final answer
    x = 20,622.17

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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.