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Finding the Fourth Proportional to 33,187.56, 49,789.87 and 11,007.13

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Solution

The fourth proportional to 33,187.56, 49,789.87 and 11,007.13 is: 16,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.56 : 49,789.87 = 11,007.13 : x
  2. Step 2: Convert to fraction form
    33,187.56/49,789.87 = 11,007.13/x
  3. Step 3: Cross multiply
    33,187.56x = 49,789.87 × 11,007.13
  4. Step 4: Simplify right side
    33,187.56x = 548,043,571.77
  5. Step 5: Solve for x
    x = 548,043,571.77/33,187.56
  6. Step 6: Final answer
    x = 16,513.52

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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.