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Finding the Fourth Proportional to 33,177.88, 49,772.20 and 9,806.68

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Solution

The fourth proportional to 33,177.88, 49,772.20 and 9,806.68 is: 14,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,177.88 : 49,772.20 = 9,806.68 : x
  2. Step 2: Convert to fraction form
    33,177.88/49,772.20 = 9,806.68/x
  3. Step 3: Cross multiply
    33,177.88x = 49,772.20 × 9,806.68
  4. Step 4: Simplify right side
    33,177.88x = 488,100,038.30
  5. Step 5: Solve for x
    x = 488,100,038.30/33,177.88
  6. Step 6: Final answer
    x = 14,711.61

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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.