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Finding the Fourth Proportional to 33,617.92, 50,420.92 and 12,553.24

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Solution

The fourth proportional to 33,617.92, 50,420.92 and 12,553.24 is: 18,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,617.92 : 50,420.92 = 12,553.24 : x
  2. Step 2: Convert to fraction form
    33,617.92/50,420.92 = 12,553.24/x
  3. Step 3: Cross multiply
    33,617.92x = 50,420.92 × 12,553.24
  4. Step 4: Simplify right side
    33,617.92x = 632,945,909.78
  5. Step 5: Solve for x
    x = 632,945,909.78/33,617.92
  6. Step 6: Final answer
    x = 18,827.63

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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.