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Finding the Fourth Proportional to 71,124.56, 106,717.96 and 33,711.34

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Solution

The fourth proportional to 71,124.56, 106,717.96 and 33,711.34 is: 50,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,124.56 : 106,717.96 = 33,711.34 : x
  2. Step 2: Convert to fraction form
    71,124.56/106,717.96 = 33,711.34/x
  3. Step 3: Cross multiply
    71,124.56x = 106,717.96 × 33,711.34
  4. Step 4: Simplify right side
    71,124.56x = 3,597,605,433.67
  5. Step 5: Solve for x
    x = 3,597,605,433.67/71,124.56
  6. Step 6: Final answer
    x = 50,581.76

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1.5x scale

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.