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Finding the Fourth Proportional to 33,711.20, 50,569.20 and 10,337.60

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Solution

The fourth proportional to 33,711.20, 50,569.20 and 10,337.60 is: 15,507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,711.20 : 50,569.20 = 10,337.60 : x
  2. Step 2: Convert to fraction form
    33,711.20/50,569.20 = 10,337.60/x
  3. Step 3: Cross multiply
    33,711.20x = 50,569.20 × 10,337.60
  4. Step 4: Simplify right side
    33,711.20x = 522,764,161.92
  5. Step 5: Solve for x
    x = 522,764,161.92/33,711.20
  6. Step 6: Final answer
    x = 15,507.14

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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.