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Finding the Fourth Proportional to 10,725.76, 16,090.80 and 3,799.36

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Solution

The fourth proportional to 10,725.76, 16,090.80 and 3,799.36 is: 5,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.76 : 16,090.80 = 3,799.36 : x
  2. Step 2: Convert to fraction form
    10,725.76/16,090.80 = 3,799.36/x
  3. Step 3: Cross multiply
    10,725.76x = 16,090.80 × 3,799.36
  4. Step 4: Simplify right side
    10,725.76x = 61,134,741.89
  5. Step 5: Solve for x
    x = 61,134,741.89/10,725.76
  6. Step 6: Final answer
    x = 5,699.81

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