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Finding the Fourth Proportional to 29,915.52, 44,872.78 and 8,855.47

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Solution

The fourth proportional to 29,915.52, 44,872.78 and 8,855.47 is: 13,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,915.52 : 44,872.78 = 8,855.47 : x
  2. Step 2: Convert to fraction form
    29,915.52/44,872.78 = 8,855.47/x
  3. Step 3: Cross multiply
    29,915.52x = 44,872.78 × 8,855.47
  4. Step 4: Simplify right side
    29,915.52x = 397,369,512.83
  5. Step 5: Solve for x
    x = 397,369,512.83/29,915.52
  6. Step 6: Final answer
    x = 13,283.06

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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.