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Finding the Fourth Proportional to 33,115.05, 45,699.21 and 18,967.88

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Solution

The fourth proportional to 33,115.05, 45,699.21 and 18,967.88 is: 26,175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,115.05 : 45,699.21 = 18,967.88 : x
  2. Step 2: Convert to fraction form
    33,115.05/45,699.21 = 18,967.88/x
  3. Step 3: Cross multiply
    33,115.05x = 45,699.21 × 18,967.88
  4. Step 4: Simplify right side
    33,115.05x = 866,817,131.37
  5. Step 5: Solve for x
    x = 866,817,131.37/33,115.05
  6. Step 6: Final answer
    x = 26,175.93

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