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Finding the Fourth Proportional to 27,791.57, 41,693.99 and 9,071.63

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Solution

The fourth proportional to 27,791.57, 41,693.99 and 9,071.63 is: 13,609.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,791.57 : 41,693.99 = 9,071.63 : x
  2. Step 2: Convert to fraction form
    27,791.57/41,693.99 = 9,071.63/x
  3. Step 3: Cross multiply
    27,791.57x = 41,693.99 × 9,071.63
  4. Step 4: Simplify right side
    27,791.57x = 378,232,353.03
  5. Step 5: Solve for x
    x = 378,232,353.03/27,791.57
  6. Step 6: Final answer
    x = 13,609.61

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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.