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Finding the Fourth Proportional to 4,547.88, 6,816.06 and 1,947.72

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Solution

The fourth proportional to 4,547.88, 6,816.06 and 1,947.72 is: 2,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,547.88 : 6,816.06 = 1,947.72 : x
  2. Step 2: Convert to fraction form
    4,547.88/6,816.06 = 1,947.72/x
  3. Step 3: Cross multiply
    4,547.88x = 6,816.06 × 1,947.72
  4. Step 4: Simplify right side
    4,547.88x = 13,275,776.38
  5. Step 5: Solve for x
    x = 13,275,776.38/4,547.88
  6. Step 6: Final answer
    x = 2,919.11

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