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Finding the Fourth Proportional to 5,698.12, 8,541.90 and 2,918.67

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Solution

The fourth proportional to 5,698.12, 8,541.90 and 2,918.67 is: 4,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,698.12 : 8,541.90 = 2,918.67 : x
  2. Step 2: Convert to fraction form
    5,698.12/8,541.90 = 2,918.67/x
  3. Step 3: Cross multiply
    5,698.12x = 8,541.90 × 2,918.67
  4. Step 4: Simplify right side
    5,698.12x = 24,930,987.27
  5. Step 5: Solve for x
    x = 24,930,987.27/5,698.12
  6. Step 6: Final answer
    x = 4,375.30

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