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Finding the Fourth Proportional to 8,039.80, 12,063.80 and 3,656.68

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Solution

The fourth proportional to 8,039.80, 12,063.80 and 3,656.68 is: 5,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.80 : 12,063.80 = 3,656.68 : x
  2. Step 2: Convert to fraction form
    8,039.80/12,063.80 = 3,656.68/x
  3. Step 3: Cross multiply
    8,039.80x = 12,063.80 × 3,656.68
  4. Step 4: Simplify right side
    8,039.80x = 44,113,456.18
  5. Step 5: Solve for x
    x = 44,113,456.18/8,039.80
  6. Step 6: Final answer
    x = 5,486.88

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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.