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Finding the Fourth Proportional to 45,060.39, 67,481.64 and 43,879.41

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Solution

The fourth proportional to 45,060.39, 67,481.64 and 43,879.41 is: 65,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,060.39 : 67,481.64 = 43,879.41 : x
  2. Step 2: Convert to fraction form
    45,060.39/67,481.64 = 43,879.41/x
  3. Step 3: Cross multiply
    45,060.39x = 67,481.64 × 43,879.41
  4. Step 4: Simplify right side
    45,060.39x = 2,961,054,549.03
  5. Step 5: Solve for x
    x = 2,961,054,549.03/45,060.39
  6. Step 6: Final answer
    x = 65,713.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.