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Finding the Fourth Proportional to 53,681.92, 80,529.28 and 25,960

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Solution

The fourth proportional to 53,681.92, 80,529.28 and 25,960 is: 38,943.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,681.92 : 80,529.28 = 25,960 : x
  2. Step 2: Convert to fraction form
    53,681.92/80,529.28 = 25,960/x
  3. Step 3: Cross multiply
    53,681.92x = 80,529.28 × 25,960
  4. Step 4: Simplify right side
    53,681.92x = 2,090,540,108.80
  5. Step 5: Solve for x
    x = 2,090,540,108.80/53,681.92
  6. Step 6: Final answer
    x = 38,943.09

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