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Finding the Fourth Proportional to 33,099.44, 49,648.73 and 8,139.71

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Solution

The fourth proportional to 33,099.44, 49,648.73 and 8,139.71 is: 12,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,099.44 : 49,648.73 = 8,139.71 : x
  2. Step 2: Convert to fraction form
    33,099.44/49,648.73 = 8,139.71/x
  3. Step 3: Cross multiply
    33,099.44x = 49,648.73 × 8,139.71
  4. Step 4: Simplify right side
    33,099.44x = 404,125,975.13
  5. Step 5: Solve for x
    x = 404,125,975.13/33,099.44
  6. Step 6: Final answer
    x = 12,209.45

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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.