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Finding the Fourth Proportional to 37,627.97, 51,928.94 and 20,860.97

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Solution

The fourth proportional to 37,627.97, 51,928.94 and 20,860.97 is: 28,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,627.97 : 51,928.94 = 20,860.97 : x
  2. Step 2: Convert to fraction form
    37,627.97/51,928.94 = 20,860.97/x
  3. Step 3: Cross multiply
    37,627.97x = 51,928.94 × 20,860.97
  4. Step 4: Simplify right side
    37,627.97x = 1,083,288,059.47
  5. Step 5: Solve for x
    x = 1,083,288,059.47/37,627.97
  6. Step 6: Final answer
    x = 28,789.44

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1.5x scale

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.