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Finding the Fourth Proportional to 4,271, 6,400.92 and 2,189.24

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Solution

The fourth proportional to 4,271, 6,400.92 and 2,189.24 is: 3,281.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271 : 6,400.92 = 2,189.24 : x
  2. Step 2: Convert to fraction form
    4,271/6,400.92 = 2,189.24/x
  3. Step 3: Cross multiply
    4,271x = 6,400.92 × 2,189.24
  4. Step 4: Simplify right side
    4,271x = 14,013,150.10
  5. Step 5: Solve for x
    x = 14,013,150.10/4,271
  6. Step 6: Final answer
    x = 3,281.00

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