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Finding the Fourth Proportional to 1,894.28, 2,841.84 and 957.76

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Solution

The fourth proportional to 1,894.28, 2,841.84 and 957.76 is: 1,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.28 : 2,841.84 = 957.76 : x
  2. Step 2: Convert to fraction form
    1,894.28/2,841.84 = 957.76/x
  3. Step 3: Cross multiply
    1,894.28x = 2,841.84 × 957.76
  4. Step 4: Simplify right side
    1,894.28x = 2,721,800.68
  5. Step 5: Solve for x
    x = 2,721,800.68/1,894.28
  6. Step 6: Final answer
    x = 1,436.85

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