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Finding the Fourth Proportional to 43,940.66, 65,883.05 and 37,279.46

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Solution

The fourth proportional to 43,940.66, 65,883.05 and 37,279.46 is: 55,895.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,940.66 : 65,883.05 = 37,279.46 : x
  2. Step 2: Convert to fraction form
    43,940.66/65,883.05 = 37,279.46/x
  3. Step 3: Cross multiply
    43,940.66x = 65,883.05 × 37,279.46
  4. Step 4: Simplify right side
    43,940.66x = 2,456,084,433.95
  5. Step 5: Solve for x
    x = 2,456,084,433.95/43,940.66
  6. Step 6: Final answer
    x = 55,895.48

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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.