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Finding the Fourth Proportional to 15,997.70, 23,996.55 and 8,201.54

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Solution

The fourth proportional to 15,997.70, 23,996.55 and 8,201.54 is: 12,302.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.70 : 23,996.55 = 8,201.54 : x
  2. Step 2: Convert to fraction form
    15,997.70/23,996.55 = 8,201.54/x
  3. Step 3: Cross multiply
    15,997.70x = 23,996.55 × 8,201.54
  4. Step 4: Simplify right side
    15,997.70x = 196,808,664.69
  5. Step 5: Solve for x
    x = 196,808,664.69/15,997.70
  6. Step 6: Final answer
    x = 12,302.31

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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.