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Finding the Fourth Proportional to 4,774.52, 7,160.96 and 1,264.56

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Solution

The fourth proportional to 4,774.52, 7,160.96 and 1,264.56 is: 1,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.52 : 7,160.96 = 1,264.56 : x
  2. Step 2: Convert to fraction form
    4,774.52/7,160.96 = 1,264.56/x
  3. Step 3: Cross multiply
    4,774.52x = 7,160.96 × 1,264.56
  4. Step 4: Simplify right side
    4,774.52x = 9,055,463.58
  5. Step 5: Solve for x
    x = 9,055,463.58/4,774.52
  6. Step 6: Final answer
    x = 1,896.62

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