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Finding the Fourth Proportional to 5,620.95, 8,428.64 and 1,922.13

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Solution

The fourth proportional to 5,620.95, 8,428.64 and 1,922.13 is: 2,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.95 : 8,428.64 = 1,922.13 : x
  2. Step 2: Convert to fraction form
    5,620.95/8,428.64 = 1,922.13/x
  3. Step 3: Cross multiply
    5,620.95x = 8,428.64 × 1,922.13
  4. Step 4: Simplify right side
    5,620.95x = 16,200,932.19
  5. Step 5: Solve for x
    x = 16,200,932.19/5,620.95
  6. Step 6: Final answer
    x = 2,882.24

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