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Finding the Fourth Proportional to 59,943.89, 82,722.38 and 33,086.21

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Solution

The fourth proportional to 59,943.89, 82,722.38 and 33,086.21 is: 45,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,943.89 : 82,722.38 = 33,086.21 : x
  2. Step 2: Convert to fraction form
    59,943.89/82,722.38 = 33,086.21/x
  3. Step 3: Cross multiply
    59,943.89x = 82,722.38 × 33,086.21
  4. Step 4: Simplify right side
    59,943.89x = 2,736,969,457.34
  5. Step 5: Solve for x
    x = 2,736,969,457.34/59,943.89
  6. Step 6: Final answer
    x = 45,658.86

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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.