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Finding the Fourth Proportional to 50,604.60, 75,906.90 and 19,440.60

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Solution

The fourth proportional to 50,604.60, 75,906.90 and 19,440.60 is: 29,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,604.60 : 75,906.90 = 19,440.60 : x
  2. Step 2: Convert to fraction form
    50,604.60/75,906.90 = 19,440.60/x
  3. Step 3: Cross multiply
    50,604.60x = 75,906.90 × 19,440.60
  4. Step 4: Simplify right side
    50,604.60x = 1,475,675,680.14
  5. Step 5: Solve for x
    x = 1,475,675,680.14/50,604.60
  6. Step 6: Final answer
    x = 29,160.90

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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.