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Finding the Fourth Proportional to 18,486.63, 27,733.59 and 6,798.33

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Solution

The fourth proportional to 18,486.63, 27,733.59 and 6,798.33 is: 10,198.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486.63 : 27,733.59 = 6,798.33 : x
  2. Step 2: Convert to fraction form
    18,486.63/27,733.59 = 6,798.33/x
  3. Step 3: Cross multiply
    18,486.63x = 27,733.59 × 6,798.33
  4. Step 4: Simplify right side
    18,486.63x = 188,542,096.90
  5. Step 5: Solve for x
    x = 188,542,096.90/18,486.63
  6. Step 6: Final answer
    x = 10,198.84

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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.