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Finding the Fourth Proportional to 8,009.39, 11,052.98 and 4,472.73

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Solution

The fourth proportional to 8,009.39, 11,052.98 and 4,472.73 is: 6,172.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.39 : 11,052.98 = 4,472.73 : x
  2. Step 2: Convert to fraction form
    8,009.39/11,052.98 = 4,472.73/x
  3. Step 3: Cross multiply
    8,009.39x = 11,052.98 × 4,472.73
  4. Step 4: Simplify right side
    8,009.39x = 49,436,972.87
  5. Step 5: Solve for x
    x = 49,436,972.87/8,009.39
  6. Step 6: Final answer
    x = 6,172.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.