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Finding the Fourth Proportional to 3,776.83, 5,668.71 and 1,929.25

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Solution

The fourth proportional to 3,776.83, 5,668.71 and 1,929.25 is: 2,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.83 : 5,668.71 = 1,929.25 : x
  2. Step 2: Convert to fraction form
    3,776.83/5,668.71 = 1,929.25/x
  3. Step 3: Cross multiply
    3,776.83x = 5,668.71 × 1,929.25
  4. Step 4: Simplify right side
    3,776.83x = 10,936,358.77
  5. Step 5: Solve for x
    x = 10,936,358.77/3,776.83
  6. Step 6: Final answer
    x = 2,895.64

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