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Finding the Fourth Proportional to 8,496.66, 12,749.18 and 3,819.98

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Solution

The fourth proportional to 8,496.66, 12,749.18 and 3,819.98 is: 5,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496.66 : 12,749.18 = 3,819.98 : x
  2. Step 2: Convert to fraction form
    8,496.66/12,749.18 = 3,819.98/x
  3. Step 3: Cross multiply
    8,496.66x = 12,749.18 × 3,819.98
  4. Step 4: Simplify right side
    8,496.66x = 48,701,625.39
  5. Step 5: Solve for x
    x = 48,701,625.39/8,496.66
  6. Step 6: Final answer
    x = 5,731.85

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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.