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Finding the Fourth Proportional to 3,918.04, 5,879.08 and 2,602.70

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Solution

The fourth proportional to 3,918.04, 5,879.08 and 2,602.70 is: 3,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.04 : 5,879.08 = 2,602.70 : x
  2. Step 2: Convert to fraction form
    3,918.04/5,879.08 = 2,602.70/x
  3. Step 3: Cross multiply
    3,918.04x = 5,879.08 × 2,602.70
  4. Step 4: Simplify right side
    3,918.04x = 15,301,462.78
  5. Step 5: Solve for x
    x = 15,301,462.78/3,918.04
  6. Step 6: Final answer
    x = 3,905.39

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