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Finding the Fourth Proportional to 3,718.68, 5,570.46 and 2,984.28

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Solution

The fourth proportional to 3,718.68, 5,570.46 and 2,984.28 is: 4,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.68 : 5,570.46 = 2,984.28 : x
  2. Step 2: Convert to fraction form
    3,718.68/5,570.46 = 2,984.28/x
  3. Step 3: Cross multiply
    3,718.68x = 5,570.46 × 2,984.28
  4. Step 4: Simplify right side
    3,718.68x = 16,623,812.37
  5. Step 5: Solve for x
    x = 16,623,812.37/3,718.68
  6. Step 6: Final answer
    x = 4,470.35

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