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Finding the Fourth Proportional to 18,382.82, 27,549.92 and 6,684.80

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Solution

The fourth proportional to 18,382.82, 27,549.92 and 6,684.80 is: 10,018.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382.82 : 27,549.92 = 6,684.80 : x
  2. Step 2: Convert to fraction form
    18,382.82/27,549.92 = 6,684.80/x
  3. Step 3: Cross multiply
    18,382.82x = 27,549.92 × 6,684.80
  4. Step 4: Simplify right side
    18,382.82x = 184,165,584.18
  5. Step 5: Solve for x
    x = 184,165,584.18/18,382.82
  6. Step 6: Final answer
    x = 10,018.36

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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.