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Finding the Fourth Proportional to 10,563.66, 15,839.61 and 4,328.04

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Solution

The fourth proportional to 10,563.66, 15,839.61 and 4,328.04 is: 6,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,563.66 : 15,839.61 = 4,328.04 : x
  2. Step 2: Convert to fraction form
    10,563.66/15,839.61 = 4,328.04/x
  3. Step 3: Cross multiply
    10,563.66x = 15,839.61 × 4,328.04
  4. Step 4: Simplify right side
    10,563.66x = 68,554,465.66
  5. Step 5: Solve for x
    x = 68,554,465.66/10,563.66
  6. Step 6: Final answer
    x = 6,489.65

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