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Finding the Fourth Proportional to 33,919.47, 50,881.63 and 8,959.27

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Solution

The fourth proportional to 33,919.47, 50,881.63 and 8,959.27 is: 13,439.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,919.47 : 50,881.63 = 8,959.27 : x
  2. Step 2: Convert to fraction form
    33,919.47/50,881.63 = 8,959.27/x
  3. Step 3: Cross multiply
    33,919.47x = 50,881.63 × 8,959.27
  4. Step 4: Simplify right side
    33,919.47x = 455,862,006.80
  5. Step 5: Solve for x
    x = 455,862,006.80/33,919.47
  6. Step 6: Final answer
    x = 13,439.54

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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.