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Finding the Fourth Proportional to 34,996.88, 48,299.80 and 19,891.81

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Solution

The fourth proportional to 34,996.88, 48,299.80 and 19,891.81 is: 27,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,996.88 : 48,299.80 = 19,891.81 : x
  2. Step 2: Convert to fraction form
    34,996.88/48,299.80 = 19,891.81/x
  3. Step 3: Cross multiply
    34,996.88x = 48,299.80 × 19,891.81
  4. Step 4: Simplify right side
    34,996.88x = 960,770,515.66
  5. Step 5: Solve for x
    x = 960,770,515.66/34,996.88
  6. Step 6: Final answer
    x = 27,453.03

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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.