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Finding the Fourth Proportional to 7,493.71, 11,240.57 and 1,946.59

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Solution

The fourth proportional to 7,493.71, 11,240.57 and 1,946.59 is: 2,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.71 : 11,240.57 = 1,946.59 : x
  2. Step 2: Convert to fraction form
    7,493.71/11,240.57 = 1,946.59/x
  3. Step 3: Cross multiply
    7,493.71x = 11,240.57 × 1,946.59
  4. Step 4: Simplify right side
    7,493.71x = 21,880,715.22
  5. Step 5: Solve for x
    x = 21,880,715.22/7,493.71
  6. Step 6: Final answer
    x = 2,919.88

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