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Finding the Fourth Proportional to 7,413.82, 10,231.32 and 4,227.59

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Solution

The fourth proportional to 7,413.82, 10,231.32 and 4,227.59 is: 5,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.82 : 10,231.32 = 4,227.59 : x
  2. Step 2: Convert to fraction form
    7,413.82/10,231.32 = 4,227.59/x
  3. Step 3: Cross multiply
    7,413.82x = 10,231.32 × 4,227.59
  4. Step 4: Simplify right side
    7,413.82x = 43,253,867.55
  5. Step 5: Solve for x
    x = 43,253,867.55/7,413.82
  6. Step 6: Final answer
    x = 5,834.22

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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.