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Finding the Fourth Proportional to 1,894.24, 2,843.80 and 1,346.72

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Solution

The fourth proportional to 1,894.24, 2,843.80 and 1,346.72 is: 2,021.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.24 : 2,843.80 = 1,346.72 : x
  2. Step 2: Convert to fraction form
    1,894.24/2,843.80 = 1,346.72/x
  3. Step 3: Cross multiply
    1,894.24x = 2,843.80 × 1,346.72
  4. Step 4: Simplify right side
    1,894.24x = 3,829,802.34
  5. Step 5: Solve for x
    x = 3,829,802.34/1,894.24
  6. Step 6: Final answer
    x = 2,021.81

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