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Finding the Fourth Proportional to 8,516.99, 12,773.39 and 2,969.52

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Solution

The fourth proportional to 8,516.99, 12,773.39 and 2,969.52 is: 4,453.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.99 : 12,773.39 = 2,969.52 : x
  2. Step 2: Convert to fraction form
    8,516.99/12,773.39 = 2,969.52/x
  3. Step 3: Cross multiply
    8,516.99x = 12,773.39 × 2,969.52
  4. Step 4: Simplify right side
    8,516.99x = 37,930,822.23
  5. Step 5: Solve for x
    x = 37,930,822.23/8,516.99
  6. Step 6: Final answer
    x = 4,453.55

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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.