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Finding the Fourth Proportional to 4,255.99, 6,377.48 and 1,789.46

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Solution

The fourth proportional to 4,255.99, 6,377.48 and 1,789.46 is: 2,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.99 : 6,377.48 = 1,789.46 : x
  2. Step 2: Convert to fraction form
    4,255.99/6,377.48 = 1,789.46/x
  3. Step 3: Cross multiply
    4,255.99x = 6,377.48 × 1,789.46
  4. Step 4: Simplify right side
    4,255.99x = 11,412,204.53
  5. Step 5: Solve for x
    x = 11,412,204.53/4,255.99
  6. Step 6: Final answer
    x = 2,681.45

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