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Finding the Fourth Proportional to 33,946.61, 50,922.41 and 8,986.49

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Solution

The fourth proportional to 33,946.61, 50,922.41 and 8,986.49 is: 13,480.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,946.61 : 50,922.41 = 8,986.49 : x
  2. Step 2: Convert to fraction form
    33,946.61/50,922.41 = 8,986.49/x
  3. Step 3: Cross multiply
    33,946.61x = 50,922.41 × 8,986.49
  4. Step 4: Simplify right side
    33,946.61x = 457,613,428.70
  5. Step 5: Solve for x
    x = 457,613,428.70/33,946.61
  6. Step 6: Final answer
    x = 13,480.39

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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.