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Finding the Fourth Proportional to 29,844.70, 44,759.59 and 8,780.54

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Solution

The fourth proportional to 29,844.70, 44,759.59 and 8,780.54 is: 13,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,844.70 : 44,759.59 = 8,780.54 : x
  2. Step 2: Convert to fraction form
    29,844.70/44,759.59 = 8,780.54/x
  3. Step 3: Cross multiply
    29,844.70x = 44,759.59 × 8,780.54
  4. Step 4: Simplify right side
    29,844.70x = 393,013,124.63
  5. Step 5: Solve for x
    x = 393,013,124.63/29,844.70
  6. Step 6: Final answer
    x = 13,168.61

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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.