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Finding the Fourth Proportional to 44,195.58, 66,309.78 and 17,918.78

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Solution

The fourth proportional to 44,195.58, 66,309.78 and 17,918.78 is: 26,884.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,195.58 : 66,309.78 = 17,918.78 : x
  2. Step 2: Convert to fraction form
    44,195.58/66,309.78 = 17,918.78/x
  3. Step 3: Cross multiply
    44,195.58x = 66,309.78 × 17,918.78
  4. Step 4: Simplify right side
    44,195.58x = 1,188,190,359.67
  5. Step 5: Solve for x
    x = 1,188,190,359.67/44,195.58
  6. Step 6: Final answer
    x = 26,884.82

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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.