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Finding the Fourth Proportional to 33,771.76, 50,657.08 and 12,999.76

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Solution

The fourth proportional to 33,771.76, 50,657.08 and 12,999.76 is: 19,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,771.76 : 50,657.08 = 12,999.76 : x
  2. Step 2: Convert to fraction form
    33,771.76/50,657.08 = 12,999.76/x
  3. Step 3: Cross multiply
    33,771.76x = 50,657.08 × 12,999.76
  4. Step 4: Simplify right side
    33,771.76x = 658,529,882.30
  5. Step 5: Solve for x
    x = 658,529,882.30/33,771.76
  6. Step 6: Final answer
    x = 19,499.42

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Double scale
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Similar ratio
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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.