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Finding the Fourth Proportional to 33,471.92, 50,142.80 and 18,635.92

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Solution

The fourth proportional to 33,471.92, 50,142.80 and 18,635.92 is: 27,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,471.92 : 50,142.80 = 18,635.92 : x
  2. Step 2: Convert to fraction form
    33,471.92/50,142.80 = 18,635.92/x
  3. Step 3: Cross multiply
    33,471.92x = 50,142.80 × 18,635.92
  4. Step 4: Simplify right side
    33,471.92x = 934,457,209.38
  5. Step 5: Solve for x
    x = 934,457,209.38/33,471.92
  6. Step 6: Final answer
    x = 27,917.65

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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.