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Finding the Fourth Proportional to 44,608.56, 66,924.09 and 31,486.56

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Solution

The fourth proportional to 44,608.56, 66,924.09 and 31,486.56 is: 47,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,608.56 : 66,924.09 = 31,486.56 : x
  2. Step 2: Convert to fraction form
    44,608.56/66,924.09 = 31,486.56/x
  3. Step 3: Cross multiply
    44,608.56x = 66,924.09 × 31,486.56
  4. Step 4: Simplify right side
    44,608.56x = 2,107,209,375.23
  5. Step 5: Solve for x
    x = 2,107,209,375.23/44,608.56
  6. Step 6: Final answer
    x = 47,237.78

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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.