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Finding the Fourth Proportional to 60,043.82, 82,805.38 and 36,128.97

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Solution

The fourth proportional to 60,043.82, 82,805.38 and 36,128.97 is: 49,824.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,043.82 : 82,805.38 = 36,128.97 : x
  2. Step 2: Convert to fraction form
    60,043.82/82,805.38 = 36,128.97/x
  3. Step 3: Cross multiply
    60,043.82x = 82,805.38 × 36,128.97
  4. Step 4: Simplify right side
    60,043.82x = 2,991,672,999.54
  5. Step 5: Solve for x
    x = 2,991,672,999.54/60,043.82
  6. Step 6: Final answer
    x = 49,824.83

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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.