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Finding the Fourth Proportional to 17,765.04, 26,630.52 and 7,905.60

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Solution

The fourth proportional to 17,765.04, 26,630.52 and 7,905.60 is: 11,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,765.04 : 26,630.52 = 7,905.60 : x
  2. Step 2: Convert to fraction form
    17,765.04/26,630.52 = 7,905.60/x
  3. Step 3: Cross multiply
    17,765.04x = 26,630.52 × 7,905.60
  4. Step 4: Simplify right side
    17,765.04x = 210,530,238.91
  5. Step 5: Solve for x
    x = 210,530,238.91/17,765.04
  6. Step 6: Final answer
    x = 11,850.82

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