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Finding the Fourth Proportional to 18,617.22, 27,926.19 and 14,902.20

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Solution

The fourth proportional to 18,617.22, 27,926.19 and 14,902.20 is: 22,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617.22 : 27,926.19 = 14,902.20 : x
  2. Step 2: Convert to fraction form
    18,617.22/27,926.19 = 14,902.20/x
  3. Step 3: Cross multiply
    18,617.22x = 27,926.19 × 14,902.20
  4. Step 4: Simplify right side
    18,617.22x = 416,161,668.62
  5. Step 5: Solve for x
    x = 416,161,668.62/18,617.22
  6. Step 6: Final answer
    x = 22,353.59

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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.