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Finding the Fourth Proportional to 8,499.82, 12,754.09 and 3,505.87

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Solution

The fourth proportional to 8,499.82, 12,754.09 and 3,505.87 is: 5,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.82 : 12,754.09 = 3,505.87 : x
  2. Step 2: Convert to fraction form
    8,499.82/12,754.09 = 3,505.87/x
  3. Step 3: Cross multiply
    8,499.82x = 12,754.09 × 3,505.87
  4. Step 4: Simplify right side
    8,499.82x = 44,714,163.98
  5. Step 5: Solve for x
    x = 44,714,163.98/8,499.82
  6. Step 6: Final answer
    x = 5,260.60

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Why These Related Problems?

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