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Finding the Fourth Proportional to 1,723.93, 2,587.19 and 1,262.88

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Solution

The fourth proportional to 1,723.93, 2,587.19 and 1,262.88 is: 1,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.93 : 2,587.19 = 1,262.88 : x
  2. Step 2: Convert to fraction form
    1,723.93/2,587.19 = 1,262.88/x
  3. Step 3: Cross multiply
    1,723.93x = 2,587.19 × 1,262.88
  4. Step 4: Simplify right side
    1,723.93x = 3,267,304.19
  5. Step 5: Solve for x
    x = 3,267,304.19/1,723.93
  6. Step 6: Final answer
    x = 1,895.27

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