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Finding the Fourth Proportional to 4,078.60, 6,116.60 and 1,738.56

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Solution

The fourth proportional to 4,078.60, 6,116.60 and 1,738.56 is: 2,607.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.60 : 6,116.60 = 1,738.56 : x
  2. Step 2: Convert to fraction form
    4,078.60/6,116.60 = 1,738.56/x
  3. Step 3: Cross multiply
    4,078.60x = 6,116.60 × 1,738.56
  4. Step 4: Simplify right side
    4,078.60x = 10,634,076.10
  5. Step 5: Solve for x
    x = 10,634,076.10/4,078.60
  6. Step 6: Final answer
    x = 2,607.29

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