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Finding the Fourth Proportional to 69,573.20, 104,206.20 and 27,998.80

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Solution

The fourth proportional to 69,573.20, 104,206.20 and 27,998.80 is: 41,936.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,573.20 : 104,206.20 = 27,998.80 : x
  2. Step 2: Convert to fraction form
    69,573.20/104,206.20 = 27,998.80/x
  3. Step 3: Cross multiply
    69,573.20x = 104,206.20 × 27,998.80
  4. Step 4: Simplify right side
    69,573.20x = 2,917,648,552.56
  5. Step 5: Solve for x
    x = 2,917,648,552.56/69,573.20
  6. Step 6: Final answer
    x = 41,936.39

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1.5x scale

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.