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Finding the Fourth Proportional to 9,797.28, 14,698.35 and 2,871.78

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Solution

The fourth proportional to 9,797.28, 14,698.35 and 2,871.78 is: 4,308.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,797.28 : 14,698.35 = 2,871.78 : x
  2. Step 2: Convert to fraction form
    9,797.28/14,698.35 = 2,871.78/x
  3. Step 3: Cross multiply
    9,797.28x = 14,698.35 × 2,871.78
  4. Step 4: Simplify right side
    9,797.28x = 42,210,427.56
  5. Step 5: Solve for x
    x = 42,210,427.56/9,797.28
  6. Step 6: Final answer
    x = 4,308.38

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