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Finding the Fourth Proportional to 3,946.94, 5,920.74 and 1,025.30

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Solution

The fourth proportional to 3,946.94, 5,920.74 and 1,025.30 is: 1,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.94 : 5,920.74 = 1,025.30 : x
  2. Step 2: Convert to fraction form
    3,946.94/5,920.74 = 1,025.30/x
  3. Step 3: Cross multiply
    3,946.94x = 5,920.74 × 1,025.30
  4. Step 4: Simplify right side
    3,946.94x = 6,070,534.72
  5. Step 5: Solve for x
    x = 6,070,534.72/3,946.94
  6. Step 6: Final answer
    x = 1,538.04

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