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Finding the Fourth Proportional to 2,784.03, 4,174.62 and 835.98

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Solution

The fourth proportional to 2,784.03, 4,174.62 and 835.98 is: 1,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.03 : 4,174.62 = 835.98 : x
  2. Step 2: Convert to fraction form
    2,784.03/4,174.62 = 835.98/x
  3. Step 3: Cross multiply
    2,784.03x = 4,174.62 × 835.98
  4. Step 4: Simplify right side
    2,784.03x = 3,489,898.83
  5. Step 5: Solve for x
    x = 3,489,898.83/2,784.03
  6. Step 6: Final answer
    x = 1,253.54

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