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Finding the Fourth Proportional to 17,698.52, 26,564.21 and 8,939.59

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Solution

The fourth proportional to 17,698.52, 26,564.21 and 8,939.59 is: 13,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,698.52 : 26,564.21 = 8,939.59 : x
  2. Step 2: Convert to fraction form
    17,698.52/26,564.21 = 8,939.59/x
  3. Step 3: Cross multiply
    17,698.52x = 26,564.21 × 8,939.59
  4. Step 4: Simplify right side
    17,698.52x = 237,473,146.07
  5. Step 5: Solve for x
    x = 237,473,146.07/17,698.52
  6. Step 6: Final answer
    x = 13,417.68

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