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Finding the Fourth Proportional to 4,494.19, 6,736.73 and 1,720.15

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Solution

The fourth proportional to 4,494.19, 6,736.73 and 1,720.15 is: 2,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,494.19 : 6,736.73 = 1,720.15 : x
  2. Step 2: Convert to fraction form
    4,494.19/6,736.73 = 1,720.15/x
  3. Step 3: Cross multiply
    4,494.19x = 6,736.73 × 1,720.15
  4. Step 4: Simplify right side
    4,494.19x = 11,588,177.51
  5. Step 5: Solve for x
    x = 11,588,177.51/4,494.19
  6. Step 6: Final answer
    x = 2,578.48

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