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Finding the Fourth Proportional to 30,195.40, 41,660.31 and 17,443.93

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Solution

The fourth proportional to 30,195.40, 41,660.31 and 17,443.93 is: 24,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.40 : 41,660.31 = 17,443.93 : x
  2. Step 2: Convert to fraction form
    30,195.40/41,660.31 = 17,443.93/x
  3. Step 3: Cross multiply
    30,195.40x = 41,660.31 × 17,443.93
  4. Step 4: Simplify right side
    30,195.40x = 726,719,413.93
  5. Step 5: Solve for x
    x = 726,719,413.93/30,195.40
  6. Step 6: Final answer
    x = 24,067.22

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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.