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Finding the Fourth Proportional to 33,137.60, 49,722.60 and 15,604.40

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Solution

The fourth proportional to 33,137.60, 49,722.60 and 15,604.40 is: 23,414.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,137.60 : 49,722.60 = 15,604.40 : x
  2. Step 2: Convert to fraction form
    33,137.60/49,722.60 = 15,604.40/x
  3. Step 3: Cross multiply
    33,137.60x = 49,722.60 × 15,604.40
  4. Step 4: Simplify right side
    33,137.60x = 775,891,339.44
  5. Step 5: Solve for x
    x = 775,891,339.44/33,137.60
  6. Step 6: Final answer
    x = 23,414.23

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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.