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Finding the Fourth Proportional to 22,039.43, 33,044.76 and 7,996.79

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Solution

The fourth proportional to 22,039.43, 33,044.76 and 7,996.79 is: 11,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,039.43 : 33,044.76 = 7,996.79 : x
  2. Step 2: Convert to fraction form
    22,039.43/33,044.76 = 7,996.79/x
  3. Step 3: Cross multiply
    22,039.43x = 33,044.76 × 7,996.79
  4. Step 4: Simplify right side
    22,039.43x = 264,252,088.93
  5. Step 5: Solve for x
    x = 264,252,088.93/22,039.43
  6. Step 6: Final answer
    x = 11,989.97

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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.