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Finding the Fourth Proportional to 18,449.67, 27,693.33 and 13,504.62

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Solution

The fourth proportional to 18,449.67, 27,693.33 and 13,504.62 is: 20,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.67 : 27,693.33 = 13,504.62 : x
  2. Step 2: Convert to fraction form
    18,449.67/27,693.33 = 13,504.62/x
  3. Step 3: Cross multiply
    18,449.67x = 27,693.33 × 13,504.62
  4. Step 4: Simplify right side
    18,449.67x = 373,987,898.18
  5. Step 5: Solve for x
    x = 373,987,898.18/18,449.67
  6. Step 6: Final answer
    x = 20,270.71

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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.