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Finding the Fourth Proportional to 8,475.73, 12,704.76 and 2,849.22

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Solution

The fourth proportional to 8,475.73, 12,704.76 and 2,849.22 is: 4,270.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.73 : 12,704.76 = 2,849.22 : x
  2. Step 2: Convert to fraction form
    8,475.73/12,704.76 = 2,849.22/x
  3. Step 3: Cross multiply
    8,475.73x = 12,704.76 × 2,849.22
  4. Step 4: Simplify right side
    8,475.73x = 36,198,656.29
  5. Step 5: Solve for x
    x = 36,198,656.29/8,475.73
  6. Step 6: Final answer
    x = 4,270.86

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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.