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Finding the Fourth Proportional to 18,668.93, 27,993.02 and 6,182.15

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Solution

The fourth proportional to 18,668.93, 27,993.02 and 6,182.15 is: 9,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.93 : 27,993.02 = 6,182.15 : x
  2. Step 2: Convert to fraction form
    18,668.93/27,993.02 = 6,182.15/x
  3. Step 3: Cross multiply
    18,668.93x = 27,993.02 × 6,182.15
  4. Step 4: Simplify right side
    18,668.93x = 173,056,885.44
  5. Step 5: Solve for x
    x = 173,056,885.44/18,668.93
  6. Step 6: Final answer
    x = 9,269.78

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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.