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Finding the Fourth Proportional to 17,959.13, 26,938.69 and 5,647.13

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Solution

The fourth proportional to 17,959.13, 26,938.69 and 5,647.13 is: 8,470.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,959.13 : 26,938.69 = 5,647.13 : x
  2. Step 2: Convert to fraction form
    17,959.13/26,938.69 = 5,647.13/x
  3. Step 3: Cross multiply
    17,959.13x = 26,938.69 × 5,647.13
  4. Step 4: Simplify right side
    17,959.13x = 152,126,135.65
  5. Step 5: Solve for x
    x = 152,126,135.65/17,959.13
  6. Step 6: Final answer
    x = 8,470.69

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