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Finding the Fourth Proportional to 43,700.80, 65,551.22 and 10,868.80

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Solution

The fourth proportional to 43,700.80, 65,551.22 and 10,868.80 is: 16,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,700.80 : 65,551.22 = 10,868.80 : x
  2. Step 2: Convert to fraction form
    43,700.80/65,551.22 = 10,868.80/x
  3. Step 3: Cross multiply
    43,700.80x = 65,551.22 × 10,868.80
  4. Step 4: Simplify right side
    43,700.80x = 712,463,099.94
  5. Step 5: Solve for x
    x = 712,463,099.94/43,700.80
  6. Step 6: Final answer
    x = 16,303.20

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