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Finding the Fourth Proportional to 5,160.66, 7,741.86 and 2,386.20

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Solution

The fourth proportional to 5,160.66, 7,741.86 and 2,386.20 is: 3,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.66 : 7,741.86 = 2,386.20 : x
  2. Step 2: Convert to fraction form
    5,160.66/7,741.86 = 2,386.20/x
  3. Step 3: Cross multiply
    5,160.66x = 7,741.86 × 2,386.20
  4. Step 4: Simplify right side
    5,160.66x = 18,473,626.33
  5. Step 5: Solve for x
    x = 18,473,626.33/5,160.66
  6. Step 6: Final answer
    x = 3,579.70

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