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Finding the Fourth Proportional to 6,586.91, 9,880.88 and 1,906.99

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Solution

The fourth proportional to 6,586.91, 9,880.88 and 1,906.99 is: 2,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,586.91 : 9,880.88 = 1,906.99 : x
  2. Step 2: Convert to fraction form
    6,586.91/9,880.88 = 1,906.99/x
  3. Step 3: Cross multiply
    6,586.91x = 9,880.88 × 1,906.99
  4. Step 4: Simplify right side
    6,586.91x = 18,842,778.57
  5. Step 5: Solve for x
    x = 18,842,778.57/6,586.91
  6. Step 6: Final answer
    x = 2,860.64

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