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Finding the Fourth Proportional to 8,673.80, 13,010.73 and 2,099.98

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Solution

The fourth proportional to 8,673.80, 13,010.73 and 2,099.98 is: 3,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.80 : 13,010.73 = 2,099.98 : x
  2. Step 2: Convert to fraction form
    8,673.80/13,010.73 = 2,099.98/x
  3. Step 3: Cross multiply
    8,673.80x = 13,010.73 × 2,099.98
  4. Step 4: Simplify right side
    8,673.80x = 27,322,207.73
  5. Step 5: Solve for x
    x = 27,322,207.73/8,673.80
  6. Step 6: Final answer
    x = 3,149.97

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1.5x scale

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.