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Finding the Fourth Proportional to 2,941.76, 4,413.18 and 1,211.60

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Solution

The fourth proportional to 2,941.76, 4,413.18 and 1,211.60 is: 1,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.76 : 4,413.18 = 1,211.60 : x
  2. Step 2: Convert to fraction form
    2,941.76/4,413.18 = 1,211.60/x
  3. Step 3: Cross multiply
    2,941.76x = 4,413.18 × 1,211.60
  4. Step 4: Simplify right side
    2,941.76x = 5,347,008.89
  5. Step 5: Solve for x
    x = 5,347,008.89/2,941.76
  6. Step 6: Final answer
    x = 1,817.62

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