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Finding the Fourth Proportional to 7,753.81, 11,629.68 and 2,207.65

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Solution

The fourth proportional to 7,753.81, 11,629.68 and 2,207.65 is: 3,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.81 : 11,629.68 = 2,207.65 : x
  2. Step 2: Convert to fraction form
    7,753.81/11,629.68 = 2,207.65/x
  3. Step 3: Cross multiply
    7,753.81x = 11,629.68 × 2,207.65
  4. Step 4: Simplify right side
    7,753.81x = 25,674,263.05
  5. Step 5: Solve for x
    x = 25,674,263.05/7,753.81
  6. Step 6: Final answer
    x = 3,311.18

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