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Finding the Fourth Proportional to 9,173.81, 13,760.69 and 2,600.00

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Solution

The fourth proportional to 9,173.81, 13,760.69 and 2,600.00 is: 3,899.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.81 : 13,760.69 = 2,600.00 : x
  2. Step 2: Convert to fraction form
    9,173.81/13,760.69 = 2,600.00/x
  3. Step 3: Cross multiply
    9,173.81x = 13,760.69 × 2,600.00
  4. Step 4: Simplify right side
    9,173.81x = 35,777,763.80
  5. Step 5: Solve for x
    x = 35,777,763.80/9,173.81
  6. Step 6: Final answer
    x = 3,899.99

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