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Finding the Fourth Proportional to 2,848.56, 4,273.65 and 1,806.90

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Solution

The fourth proportional to 2,848.56, 4,273.65 and 1,806.90 is: 2,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.56 : 4,273.65 = 1,806.90 : x
  2. Step 2: Convert to fraction form
    2,848.56/4,273.65 = 1,806.90/x
  3. Step 3: Cross multiply
    2,848.56x = 4,273.65 × 1,806.90
  4. Step 4: Simplify right side
    2,848.56x = 7,722,058.19
  5. Step 5: Solve for x
    x = 7,722,058.19/2,848.56
  6. Step 6: Final answer
    x = 2,710.86

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