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Finding the Fourth Proportional to 18,375.94, 27,573.03 and 7,282.39

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Solution

The fourth proportional to 18,375.94, 27,573.03 and 7,282.39 is: 10,927.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.94 : 27,573.03 = 7,282.39 : x
  2. Step 2: Convert to fraction form
    18,375.94/27,573.03 = 7,282.39/x
  3. Step 3: Cross multiply
    18,375.94x = 27,573.03 × 7,282.39
  4. Step 4: Simplify right side
    18,375.94x = 200,797,383.66
  5. Step 5: Solve for x
    x = 200,797,383.66/18,375.94
  6. Step 6: Final answer
    x = 10,927.19

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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.