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Finding the Fourth Proportional to 19,951.27, 29,917.70 and 5,906.27

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Solution

The fourth proportional to 19,951.27, 29,917.70 and 5,906.27 is: 8,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.27 : 29,917.70 = 5,906.27 : x
  2. Step 2: Convert to fraction form
    19,951.27/29,917.70 = 5,906.27/x
  3. Step 3: Cross multiply
    19,951.27x = 29,917.70 × 5,906.27
  4. Step 4: Simplify right side
    19,951.27x = 176,702,013.98
  5. Step 5: Solve for x
    x = 176,702,013.98/19,951.27
  6. Step 6: Final answer
    x = 8,856.68

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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.