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Finding the Fourth Proportional to 1,769.78, 2,653.64 and 1,037.81

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Solution

The fourth proportional to 1,769.78, 2,653.64 and 1,037.81 is: 1,556.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.78 : 2,653.64 = 1,037.81 : x
  2. Step 2: Convert to fraction form
    1,769.78/2,653.64 = 1,037.81/x
  3. Step 3: Cross multiply
    1,769.78x = 2,653.64 × 1,037.81
  4. Step 4: Simplify right side
    1,769.78x = 2,753,979.47
  5. Step 5: Solve for x
    x = 2,753,979.47/1,769.78
  6. Step 6: Final answer
    x = 1,556.11

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