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Finding the Fourth Proportional to 27,174.72, 40,749.72 and 8,449.22

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Solution

The fourth proportional to 27,174.72, 40,749.72 and 8,449.22 is: 12,669.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,174.72 : 40,749.72 = 8,449.22 : x
  2. Step 2: Convert to fraction form
    27,174.72/40,749.72 = 8,449.22/x
  3. Step 3: Cross multiply
    27,174.72x = 40,749.72 × 8,449.22
  4. Step 4: Simplify right side
    27,174.72x = 344,303,349.22
  5. Step 5: Solve for x
    x = 344,303,349.22/27,174.72
  6. Step 6: Final answer
    x = 12,669.99

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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.