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Finding the Fourth Proportional to 8,673.75, 13,010.62 and 2,099.94

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Solution

The fourth proportional to 8,673.75, 13,010.62 and 2,099.94 is: 3,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.75 : 13,010.62 = 2,099.94 : x
  2. Step 2: Convert to fraction form
    8,673.75/13,010.62 = 2,099.94/x
  3. Step 3: Cross multiply
    8,673.75x = 13,010.62 × 2,099.94
  4. Step 4: Simplify right side
    8,673.75x = 27,321,456.31
  5. Step 5: Solve for x
    x = 27,321,456.31/8,673.75
  6. Step 6: Final answer
    x = 3,149.90

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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.