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Finding the Fourth Proportional to 8,899.78, 13,342.28 and 3,350.07

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Solution

The fourth proportional to 8,899.78, 13,342.28 and 3,350.07 is: 5,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.78 : 13,342.28 = 3,350.07 : x
  2. Step 2: Convert to fraction form
    8,899.78/13,342.28 = 3,350.07/x
  3. Step 3: Cross multiply
    8,899.78x = 13,342.28 × 3,350.07
  4. Step 4: Simplify right side
    8,899.78x = 44,697,571.96
  5. Step 5: Solve for x
    x = 44,697,571.96/8,899.78
  6. Step 6: Final answer
    x = 5,022.32

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