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Finding the Fourth Proportional to 66,550.26, 91,743.96 and 41,039.49

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Solution

The fourth proportional to 66,550.26, 91,743.96 and 41,039.49 is: 56,575.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,550.26 : 91,743.96 = 41,039.49 : x
  2. Step 2: Convert to fraction form
    66,550.26/91,743.96 = 41,039.49/x
  3. Step 3: Cross multiply
    66,550.26x = 91,743.96 × 41,039.49
  4. Step 4: Simplify right side
    66,550.26x = 3,765,125,328.98
  5. Step 5: Solve for x
    x = 3,765,125,328.98/66,550.26
  6. Step 6: Final answer
    x = 56,575.67

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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.