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Finding the Fourth Proportional to 11,765.48, 17,644.31 and 4,743.68

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Solution

The fourth proportional to 11,765.48, 17,644.31 and 4,743.68 is: 7,113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.48 : 17,644.31 = 4,743.68 : x
  2. Step 2: Convert to fraction form
    11,765.48/17,644.31 = 4,743.68/x
  3. Step 3: Cross multiply
    11,765.48x = 17,644.31 × 4,743.68
  4. Step 4: Simplify right side
    11,765.48x = 83,698,998.64
  5. Step 5: Solve for x
    x = 83,698,998.64/11,765.48
  6. Step 6: Final answer
    x = 7,113.95

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