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Finding the Fourth Proportional to 33,889.73, 50,830.25 and 8,931.74

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Solution

The fourth proportional to 33,889.73, 50,830.25 and 8,931.74 is: 13,396.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,889.73 : 50,830.25 = 8,931.74 : x
  2. Step 2: Convert to fraction form
    33,889.73/50,830.25 = 8,931.74/x
  3. Step 3: Cross multiply
    33,889.73x = 50,830.25 × 8,931.74
  4. Step 4: Simplify right side
    33,889.73x = 454,002,278.33
  5. Step 5: Solve for x
    x = 454,002,278.33/33,889.73
  6. Step 6: Final answer
    x = 13,396.46

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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.