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Finding the Fourth Proportional to 7,741.08, 10,661.10 and 6,318.18

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Solution

The fourth proportional to 7,741.08, 10,661.10 and 6,318.18 is: 8,701.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.08 : 10,661.10 = 6,318.18 : x
  2. Step 2: Convert to fraction form
    7,741.08/10,661.10 = 6,318.18/x
  3. Step 3: Cross multiply
    7,741.08x = 10,661.10 × 6,318.18
  4. Step 4: Simplify right side
    7,741.08x = 67,358,748.80
  5. Step 5: Solve for x
    x = 67,358,748.80/7,741.08
  6. Step 6: Final answer
    x = 8,701.47

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