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Finding the Fourth Proportional to 33,899.30, 50,843.16 and 8,939.59

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Solution

The fourth proportional to 33,899.30, 50,843.16 and 8,939.59 is: 13,407.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,899.30 : 50,843.16 = 8,939.59 : x
  2. Step 2: Convert to fraction form
    33,899.30/50,843.16 = 8,939.59/x
  3. Step 3: Cross multiply
    33,899.30x = 50,843.16 × 8,939.59
  4. Step 4: Simplify right side
    33,899.30x = 454,516,877.60
  5. Step 5: Solve for x
    x = 454,516,877.60/33,899.30
  6. Step 6: Final answer
    x = 13,407.86

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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.