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Finding the Fourth Proportional to 5,978.94, 8,913.06 and 5,884.20

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Solution

The fourth proportional to 5,978.94, 8,913.06 and 5,884.20 is: 8,771.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978.94 : 8,913.06 = 5,884.20 : x
  2. Step 2: Convert to fraction form
    5,978.94/8,913.06 = 5,884.20/x
  3. Step 3: Cross multiply
    5,978.94x = 8,913.06 × 5,884.20
  4. Step 4: Simplify right side
    5,978.94x = 52,446,227.65
  5. Step 5: Solve for x
    x = 52,446,227.65/5,978.94
  6. Step 6: Final answer
    x = 8,771.83

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