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Finding the Fourth Proportional to 35,149.73, 48,505.37 and 20,999.84

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Solution

The fourth proportional to 35,149.73, 48,505.37 and 20,999.84 is: 28,979.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,149.73 : 48,505.37 = 20,999.84 : x
  2. Step 2: Convert to fraction form
    35,149.73/48,505.37 = 20,999.84/x
  3. Step 3: Cross multiply
    35,149.73x = 48,505.37 × 20,999.84
  4. Step 4: Simplify right side
    35,149.73x = 1,018,605,009.14
  5. Step 5: Solve for x
    x = 1,018,605,009.14/35,149.73
  6. Step 6: Final answer
    x = 28,979.03

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