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Finding the Fourth Proportional to 8,551.56, 12,824.82 and 3,003.87

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Solution

The fourth proportional to 8,551.56, 12,824.82 and 3,003.87 is: 4,504.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.56 : 12,824.82 = 3,003.87 : x
  2. Step 2: Convert to fraction form
    8,551.56/12,824.82 = 3,003.87/x
  3. Step 3: Cross multiply
    8,551.56x = 12,824.82 × 3,003.87
  4. Step 4: Simplify right side
    8,551.56x = 38,524,092.05
  5. Step 5: Solve for x
    x = 38,524,092.05/8,551.56
  6. Step 6: Final answer
    x = 4,504.92

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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.