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Finding the Fourth Proportional to 71,462.96, 107,229.64 and 50,537.47

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Solution

The fourth proportional to 71,462.96, 107,229.64 and 50,537.47 is: 75,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,462.96 : 107,229.64 = 50,537.47 : x
  2. Step 2: Convert to fraction form
    71,462.96/107,229.64 = 50,537.47/x
  3. Step 3: Cross multiply
    71,462.96x = 107,229.64 × 50,537.47
  4. Step 4: Simplify right side
    71,462.96x = 5,419,114,402.80
  5. Step 5: Solve for x
    x = 5,419,114,402.80/71,462.96
  6. Step 6: Final answer
    x = 75,831.09

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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.