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Finding the Fourth Proportional to 60,082.09, 82,906 and 33,220.95

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Solution

The fourth proportional to 60,082.09, 82,906 and 33,220.95 is: 45,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,082.09 : 82,906 = 33,220.95 : x
  2. Step 2: Convert to fraction form
    60,082.09/82,906 = 33,220.95/x
  3. Step 3: Cross multiply
    60,082.09x = 82,906 × 33,220.95
  4. Step 4: Simplify right side
    60,082.09x = 2,754,216,080.70
  5. Step 5: Solve for x
    x = 2,754,216,080.70/60,082.09
  6. Step 6: Final answer
    x = 45,840.88

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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.