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Finding the Fourth Proportional to 2,978.24, 4,109.94 and 1,651.88

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Solution

The fourth proportional to 2,978.24, 4,109.94 and 1,651.88 is: 2,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978.24 : 4,109.94 = 1,651.88 : x
  2. Step 2: Convert to fraction form
    2,978.24/4,109.94 = 1,651.88/x
  3. Step 3: Cross multiply
    2,978.24x = 4,109.94 × 1,651.88
  4. Step 4: Simplify right side
    2,978.24x = 6,789,127.69
  5. Step 5: Solve for x
    x = 6,789,127.69/2,978.24
  6. Step 6: Final answer
    x = 2,279.58

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