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Finding the Fourth Proportional to 60,057.79, 82,876.12 and 33,198.68

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Solution

The fourth proportional to 60,057.79, 82,876.12 and 33,198.68 is: 45,812.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,057.79 : 82,876.12 = 33,198.68 : x
  2. Step 2: Convert to fraction form
    60,057.79/82,876.12 = 33,198.68/x
  3. Step 3: Cross multiply
    60,057.79x = 82,876.12 × 33,198.68
  4. Step 4: Simplify right side
    60,057.79x = 2,751,377,911.72
  5. Step 5: Solve for x
    x = 2,751,377,911.72/60,057.79
  6. Step 6: Final answer
    x = 45,812.18

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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.