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Finding the Fourth Proportional to 9,900,687.20, 14,853,655.20 and 3,510,273.20

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Solution

The fourth proportional to 9,900,687.20, 14,853,655.20 and 3,510,273.20 is: 5,266,340.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900,687.20 : 14,853,655.20 = 3,510,273.20 : x
  2. Step 2: Convert to fraction form
    9,900,687.20/14,853,655.20 = 3,510,273.20/x
  3. Step 3: Cross multiply
    9,900,687.20x = 14,853,655.20 × 3,510,273.20
  4. Step 4: Simplify right side
    9,900,687.20x = 52,140,387,770,600.64
  5. Step 5: Solve for x
    x = 52,140,387,770,600.64/9,900,687.20
  6. Step 6: Final answer
    x = 5,266,340.28

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