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Finding the Fourth Proportional to 6,642,755.20, 9,964,132.80 and 6,075,884.80

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Solution

The fourth proportional to 6,642,755.20, 9,964,132.80 and 6,075,884.80 is: 9,113,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,755.20 : 9,964,132.80 = 6,075,884.80 : x
  2. Step 2: Convert to fraction form
    6,642,755.20/9,964,132.80 = 6,075,884.80/x
  3. Step 3: Cross multiply
    6,642,755.20x = 9,964,132.80 × 6,075,884.80
  4. Step 4: Simplify right side
    6,642,755.20x = 60,540,923,024,701.45
  5. Step 5: Solve for x
    x = 60,540,923,024,701.45/6,642,755.20
  6. Step 6: Final answer
    x = 9,113,827.20

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