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Finding the Fourth Proportional to 11,693.97, 17,540.43 and 4,297.89

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Solution

The fourth proportional to 11,693.97, 17,540.43 and 4,297.89 is: 6,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,693.97 : 17,540.43 = 4,297.89 : x
  2. Step 2: Convert to fraction form
    11,693.97/17,540.43 = 4,297.89/x
  3. Step 3: Cross multiply
    11,693.97x = 17,540.43 × 4,297.89
  4. Step 4: Simplify right side
    11,693.97x = 75,386,888.35
  5. Step 5: Solve for x
    x = 75,386,888.35/11,693.97
  6. Step 6: Final answer
    x = 6,446.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.