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Finding the Fourth Proportional to 44,481.76, 66,722.72 and 17,839.84

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Solution

The fourth proportional to 44,481.76, 66,722.72 and 17,839.84 is: 26,759.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,481.76 : 66,722.72 = 17,839.84 : x
  2. Step 2: Convert to fraction form
    44,481.76/66,722.72 = 17,839.84/x
  3. Step 3: Cross multiply
    44,481.76x = 66,722.72 × 17,839.84
  4. Step 4: Simplify right side
    44,481.76x = 1,190,322,649.16
  5. Step 5: Solve for x
    x = 1,190,322,649.16/44,481.76
  6. Step 6: Final answer
    x = 26,759.79

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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.