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Finding the Fourth Proportional to 60,143.70, 82,996.20 and 33,286.26

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Solution

The fourth proportional to 60,143.70, 82,996.20 and 33,286.26 is: 45,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,143.70 : 82,996.20 = 33,286.26 : x
  2. Step 2: Convert to fraction form
    60,143.70/82,996.20 = 33,286.26/x
  3. Step 3: Cross multiply
    60,143.70x = 82,996.20 × 33,286.26
  4. Step 4: Simplify right side
    60,143.70x = 2,762,633,092.21
  5. Step 5: Solve for x
    x = 2,762,633,092.21/60,143.70
  6. Step 6: Final answer
    x = 45,933.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.