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Finding the Fourth Proportional to 33,890.44, 50,835.98 and 8,934.06

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Solution

The fourth proportional to 33,890.44, 50,835.98 and 8,934.06 is: 13,401.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,890.44 : 50,835.98 = 8,934.06 : x
  2. Step 2: Convert to fraction form
    33,890.44/50,835.98 = 8,934.06/x
  3. Step 3: Cross multiply
    33,890.44x = 50,835.98 × 8,934.06
  4. Step 4: Simplify right side
    33,890.44x = 454,171,695.48
  5. Step 5: Solve for x
    x = 454,171,695.48/33,890.44
  6. Step 6: Final answer
    x = 13,401.17

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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.