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Finding the Fourth Proportional to 50,035.71, 68,760.29 and 47,722.83

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Solution

The fourth proportional to 50,035.71, 68,760.29 and 47,722.83 is: 65,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,035.71 : 68,760.29 = 47,722.83 : x
  2. Step 2: Convert to fraction form
    50,035.71/68,760.29 = 47,722.83/x
  3. Step 3: Cross multiply
    50,035.71x = 68,760.29 × 47,722.83
  4. Step 4: Simplify right side
    50,035.71x = 3,281,435,286.62
  5. Step 5: Solve for x
    x = 3,281,435,286.62/50,035.71
  6. Step 6: Final answer
    x = 65,581.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.