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Finding the Fourth Proportional to 4,509.28, 6,764.72 and 1,589.28

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Solution

The fourth proportional to 4,509.28, 6,764.72 and 1,589.28 is: 2,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.28 : 6,764.72 = 1,589.28 : x
  2. Step 2: Convert to fraction form
    4,509.28/6,764.72 = 1,589.28/x
  3. Step 3: Cross multiply
    4,509.28x = 6,764.72 × 1,589.28
  4. Step 4: Simplify right side
    4,509.28x = 10,751,034.20
  5. Step 5: Solve for x
    x = 10,751,034.20/4,509.28
  6. Step 6: Final answer
    x = 2,384.20

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