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Finding the Fourth Proportional to 6,147.03, 8,480.71 and 3,627.88

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Solution

The fourth proportional to 6,147.03, 8,480.71 and 3,627.88 is: 5,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.03 : 8,480.71 = 3,627.88 : x
  2. Step 2: Convert to fraction form
    6,147.03/8,480.71 = 3,627.88/x
  3. Step 3: Cross multiply
    6,147.03x = 8,480.71 × 3,627.88
  4. Step 4: Simplify right side
    6,147.03x = 30,766,998.19
  5. Step 5: Solve for x
    x = 30,766,998.19/6,147.03
  6. Step 6: Final answer
    x = 5,005.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.