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Finding the Fourth Proportional to 10,685.46, 16,029.71 and 3,290.52

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Solution

The fourth proportional to 10,685.46, 16,029.71 and 3,290.52 is: 4,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.46 : 16,029.71 = 3,290.52 : x
  2. Step 2: Convert to fraction form
    10,685.46/16,029.71 = 3,290.52/x
  3. Step 3: Cross multiply
    10,685.46x = 16,029.71 × 3,290.52
  4. Step 4: Simplify right side
    10,685.46x = 52,746,064.90
  5. Step 5: Solve for x
    x = 52,746,064.90/10,685.46
  6. Step 6: Final answer
    x = 4,936.25

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