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Finding the Fourth Proportional to 33,309.13, 45,966.60 and 18,405.13

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Solution

The fourth proportional to 33,309.13, 45,966.60 and 18,405.13 is: 25,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,309.13 : 45,966.60 = 18,405.13 : x
  2. Step 2: Convert to fraction form
    33,309.13/45,966.60 = 18,405.13/x
  3. Step 3: Cross multiply
    33,309.13x = 45,966.60 × 18,405.13
  4. Step 4: Simplify right side
    33,309.13x = 846,021,248.66
  5. Step 5: Solve for x
    x = 846,021,248.66/33,309.13
  6. Step 6: Final answer
    x = 25,399.08

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