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Finding the Fourth Proportional to 31,736.82, 47,611.89 and 9,551.82

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Solution

The fourth proportional to 31,736.82, 47,611.89 and 9,551.82 is: 14,329.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,736.82 : 47,611.89 = 9,551.82 : x
  2. Step 2: Convert to fraction form
    31,736.82/47,611.89 = 9,551.82/x
  3. Step 3: Cross multiply
    31,736.82x = 47,611.89 × 9,551.82
  4. Step 4: Simplify right side
    31,736.82x = 454,780,203.14
  5. Step 5: Solve for x
    x = 454,780,203.14/31,736.82
  6. Step 6: Final answer
    x = 14,329.73

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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.