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Finding the Fourth Proportional to 33,659.87, 50,491.09 and 12,597.70

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Solution

The fourth proportional to 33,659.87, 50,491.09 and 12,597.70 is: 18,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,659.87 : 50,491.09 = 12,597.70 : x
  2. Step 2: Convert to fraction form
    33,659.87/50,491.09 = 12,597.70/x
  3. Step 3: Cross multiply
    33,659.87x = 50,491.09 × 12,597.70
  4. Step 4: Simplify right side
    33,659.87x = 636,071,446.68
  5. Step 5: Solve for x
    x = 636,071,446.68/33,659.87
  6. Step 6: Final answer
    x = 18,897.02

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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.