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Finding the Fourth Proportional to 43,338.40, 65,007.60 and 26,644.30

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Solution

The fourth proportional to 43,338.40, 65,007.60 and 26,644.30 is: 39,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,338.40 : 65,007.60 = 26,644.30 : x
  2. Step 2: Convert to fraction form
    43,338.40/65,007.60 = 26,644.30/x
  3. Step 3: Cross multiply
    43,338.40x = 65,007.60 × 26,644.30
  4. Step 4: Simplify right side
    43,338.40x = 1,732,081,996.68
  5. Step 5: Solve for x
    x = 1,732,081,996.68/43,338.40
  6. Step 6: Final answer
    x = 39,966.45

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