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Finding the Fourth Proportional to 11,574.78, 17,362.92 and 4,649.28

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Solution

The fourth proportional to 11,574.78, 17,362.92 and 4,649.28 is: 6,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574.78 : 17,362.92 = 4,649.28 : x
  2. Step 2: Convert to fraction form
    11,574.78/17,362.92 = 4,649.28/x
  3. Step 3: Cross multiply
    11,574.78x = 17,362.92 × 4,649.28
  4. Step 4: Simplify right side
    11,574.78x = 80,725,076.70
  5. Step 5: Solve for x
    x = 80,725,076.70/11,574.78
  6. Step 6: Final answer
    x = 6,974.22

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