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Finding the Fourth Proportional to 29,915.39, 44,881.83 and 8,855.97

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Solution

The fourth proportional to 29,915.39, 44,881.83 and 8,855.97 is: 13,286.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,915.39 : 44,881.83 = 8,855.97 : x
  2. Step 2: Convert to fraction form
    29,915.39/44,881.83 = 8,855.97/x
  3. Step 3: Cross multiply
    29,915.39x = 44,881.83 × 8,855.97
  4. Step 4: Simplify right side
    29,915.39x = 397,472,140.03
  5. Step 5: Solve for x
    x = 397,472,140.03/29,915.39
  6. Step 6: Final answer
    x = 13,286.54

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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.