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Finding the Fourth Proportional to 18,609.47, 27,907.22 and 6,760.32

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Solution

The fourth proportional to 18,609.47, 27,907.22 and 6,760.32 is: 10,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.47 : 27,907.22 = 6,760.32 : x
  2. Step 2: Convert to fraction form
    18,609.47/27,907.22 = 6,760.32/x
  3. Step 3: Cross multiply
    18,609.47x = 27,907.22 × 6,760.32
  4. Step 4: Simplify right side
    18,609.47x = 188,661,659.87
  5. Step 5: Solve for x
    x = 188,661,659.87/18,609.47
  6. Step 6: Final answer
    x = 10,137.94

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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.