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Finding the Fourth Proportional to 27,308.88, 37,687.80 and 16,696.80

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Solution

The fourth proportional to 27,308.88, 37,687.80 and 16,696.80 is: 23,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,308.88 : 37,687.80 = 16,696.80 : x
  2. Step 2: Convert to fraction form
    27,308.88/37,687.80 = 16,696.80/x
  3. Step 3: Cross multiply
    27,308.88x = 37,687.80 × 16,696.80
  4. Step 4: Simplify right side
    27,308.88x = 629,265,659.04
  5. Step 5: Solve for x
    x = 629,265,659.04/27,308.88
  6. Step 6: Final answer
    x = 23,042.53

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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.