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Finding the Fourth Proportional to 22,420.43, 33,614.91 and 9,933.68

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Solution

The fourth proportional to 22,420.43, 33,614.91 and 9,933.68 is: 14,893.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.43 : 33,614.91 = 9,933.68 : x
  2. Step 2: Convert to fraction form
    22,420.43/33,614.91 = 9,933.68/x
  3. Step 3: Cross multiply
    22,420.43x = 33,614.91 × 9,933.68
  4. Step 4: Simplify right side
    22,420.43x = 333,919,591.09
  5. Step 5: Solve for x
    x = 333,919,591.09/22,420.43
  6. Step 6: Final answer
    x = 14,893.54

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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.