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Finding the Fourth Proportional to 5,057.78, 7,587.13 and 1,359.93

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Solution

The fourth proportional to 5,057.78, 7,587.13 and 1,359.93 is: 2,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.78 : 7,587.13 = 1,359.93 : x
  2. Step 2: Convert to fraction form
    5,057.78/7,587.13 = 1,359.93/x
  3. Step 3: Cross multiply
    5,057.78x = 7,587.13 × 1,359.93
  4. Step 4: Simplify right side
    5,057.78x = 10,317,962.30
  5. Step 5: Solve for x
    x = 10,317,962.30/5,057.78
  6. Step 6: Final answer
    x = 2,040.02

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