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Finding the Fourth Proportional to 18,194.76, 27,290.91 and 7,099.38

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Solution

The fourth proportional to 18,194.76, 27,290.91 and 7,099.38 is: 10,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194.76 : 27,290.91 = 7,099.38 : x
  2. Step 2: Convert to fraction form
    18,194.76/27,290.91 = 7,099.38/x
  3. Step 3: Cross multiply
    18,194.76x = 27,290.91 × 7,099.38
  4. Step 4: Simplify right side
    18,194.76x = 193,748,540.64
  5. Step 5: Solve for x
    x = 193,748,540.64/18,194.76
  6. Step 6: Final answer
    x = 10,648.59

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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.