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Finding the Fourth Proportional to 33,699.49, 50,550.53 and 8,738.89

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Solution

The fourth proportional to 33,699.49, 50,550.53 and 8,738.89 is: 13,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,699.49 : 50,550.53 = 8,738.89 : x
  2. Step 2: Convert to fraction form
    33,699.49/50,550.53 = 8,738.89/x
  3. Step 3: Cross multiply
    33,699.49x = 50,550.53 × 8,738.89
  4. Step 4: Simplify right side
    33,699.49x = 441,755,400.20
  5. Step 5: Solve for x
    x = 441,755,400.20/33,699.49
  6. Step 6: Final answer
    x = 13,108.67

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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.