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Finding the Fourth Proportional to 13,550.67, 20,177.91 and 13,052.43

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Solution

The fourth proportional to 13,550.67, 20,177.91 and 13,052.43 is: 19,436.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.67 : 20,177.91 = 13,052.43 : x
  2. Step 2: Convert to fraction form
    13,550.67/20,177.91 = 13,052.43/x
  3. Step 3: Cross multiply
    13,550.67x = 20,177.91 × 13,052.43
  4. Step 4: Simplify right side
    13,550.67x = 263,370,757.82
  5. Step 5: Solve for x
    x = 263,370,757.82/13,550.67
  6. Step 6: Final answer
    x = 19,436.00

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.