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Finding the Fourth Proportional to 33,279.96, 49,918.98 and 8,655.96

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Solution

The fourth proportional to 33,279.96, 49,918.98 and 8,655.96 is: 12,983.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,279.96 : 49,918.98 = 8,655.96 : x
  2. Step 2: Convert to fraction form
    33,279.96/49,918.98 = 8,655.96/x
  3. Step 3: Cross multiply
    33,279.96x = 49,918.98 × 8,655.96
  4. Step 4: Simplify right side
    33,279.96x = 432,096,694.12
  5. Step 5: Solve for x
    x = 432,096,694.12/33,279.96
  6. Step 6: Final answer
    x = 12,983.69

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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.