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Finding the Fourth Proportional to 3,981.83, 5,970.35 and 1,516.83

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Solution

The fourth proportional to 3,981.83, 5,970.35 and 1,516.83 is: 2,274.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.83 : 5,970.35 = 1,516.83 : x
  2. Step 2: Convert to fraction form
    3,981.83/5,970.35 = 1,516.83/x
  3. Step 3: Cross multiply
    3,981.83x = 5,970.35 × 1,516.83
  4. Step 4: Simplify right side
    3,981.83x = 9,055,998.41
  5. Step 5: Solve for x
    x = 9,055,998.41/3,981.83
  6. Step 6: Final answer
    x = 2,274.33

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