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Finding the Fourth Proportional to 6,318.68, 9,473.55 and 2,806.78

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Solution

The fourth proportional to 6,318.68, 9,473.55 and 2,806.78 is: 4,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.68 : 9,473.55 = 2,806.78 : x
  2. Step 2: Convert to fraction form
    6,318.68/9,473.55 = 2,806.78/x
  3. Step 3: Cross multiply
    6,318.68x = 9,473.55 × 2,806.78
  4. Step 4: Simplify right side
    6,318.68x = 26,590,170.67
  5. Step 5: Solve for x
    x = 26,590,170.67/6,318.68
  6. Step 6: Final answer
    x = 4,208.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.