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Finding the Fourth Proportional to 11,155.91, 16,732.94 and 3,760.20

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Solution

The fourth proportional to 11,155.91, 16,732.94 and 3,760.20 is: 5,639.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.91 : 16,732.94 = 3,760.20 : x
  2. Step 2: Convert to fraction form
    11,155.91/16,732.94 = 3,760.20/x
  3. Step 3: Cross multiply
    11,155.91x = 16,732.94 × 3,760.20
  4. Step 4: Simplify right side
    11,155.91x = 62,919,200.99
  5. Step 5: Solve for x
    x = 62,919,200.99/11,155.91
  6. Step 6: Final answer
    x = 5,639.99

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