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Finding the Fourth Proportional to 58,682.11, 88,029.99 and 21,259.80

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Solution

The fourth proportional to 58,682.11, 88,029.99 and 21,259.80 is: 31,892.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,682.11 : 88,029.99 = 21,259.80 : x
  2. Step 2: Convert to fraction form
    58,682.11/88,029.99 = 21,259.80/x
  3. Step 3: Cross multiply
    58,682.11x = 88,029.99 × 21,259.80
  4. Step 4: Simplify right side
    58,682.11x = 1,871,499,981.40
  5. Step 5: Solve for x
    x = 1,871,499,981.40/58,682.11
  6. Step 6: Final answer
    x = 31,892.17

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