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Finding the Fourth Proportional to 7,706.76, 11,579.16 and 4,934.64

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Solution

The fourth proportional to 7,706.76, 11,579.16 and 4,934.64 is: 7,414.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706.76 : 11,579.16 = 4,934.64 : x
  2. Step 2: Convert to fraction form
    7,706.76/11,579.16 = 4,934.64/x
  3. Step 3: Cross multiply
    7,706.76x = 11,579.16 × 4,934.64
  4. Step 4: Simplify right side
    7,706.76x = 57,138,986.10
  5. Step 5: Solve for x
    x = 57,138,986.10/7,706.76
  6. Step 6: Final answer
    x = 7,414.14

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