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Finding the Fourth Proportional to 59,912.98, 82,679.32 and 33,055.70

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Solution

The fourth proportional to 59,912.98, 82,679.32 and 33,055.70 is: 45,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,912.98 : 82,679.32 = 33,055.70 : x
  2. Step 2: Convert to fraction form
    59,912.98/82,679.32 = 33,055.70/x
  3. Step 3: Cross multiply
    59,912.98x = 82,679.32 × 33,055.70
  4. Step 4: Simplify right side
    59,912.98x = 2,733,022,798.12
  5. Step 5: Solve for x
    x = 2,733,022,798.12/59,912.98
  6. Step 6: Final answer
    x = 45,616.54

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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.