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Finding the Fourth Proportional to 64,686.25, 97,029.38 and 17,939.13

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Solution

The fourth proportional to 64,686.25, 97,029.38 and 17,939.13 is: 26,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,686.25 : 97,029.38 = 17,939.13 : x
  2. Step 2: Convert to fraction form
    64,686.25/97,029.38 = 17,939.13/x
  3. Step 3: Cross multiply
    64,686.25x = 97,029.38 × 17,939.13
  4. Step 4: Simplify right side
    64,686.25x = 1,740,622,661.64
  5. Step 5: Solve for x
    x = 1,740,622,661.64/64,686.25
  6. Step 6: Final answer
    x = 26,908.70

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