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Finding the Fourth Proportional to 13,067.58, 18,033.01 and 7,099.18

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Solution

The fourth proportional to 13,067.58, 18,033.01 and 7,099.18 is: 9,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.58 : 18,033.01 = 7,099.18 : x
  2. Step 2: Convert to fraction form
    13,067.58/18,033.01 = 7,099.18/x
  3. Step 3: Cross multiply
    13,067.58x = 18,033.01 × 7,099.18
  4. Step 4: Simplify right side
    13,067.58x = 128,019,583.93
  5. Step 5: Solve for x
    x = 128,019,583.93/13,067.58
  6. Step 6: Final answer
    x = 9,796.73

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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.