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Finding the Fourth Proportional to 27,768.88, 41,649.04 and 9,048.86

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Solution

The fourth proportional to 27,768.88, 41,649.04 and 9,048.86 is: 13,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,768.88 : 41,649.04 = 9,048.86 : x
  2. Step 2: Convert to fraction form
    27,768.88/41,649.04 = 9,048.86/x
  3. Step 3: Cross multiply
    27,768.88x = 41,649.04 × 9,048.86
  4. Step 4: Simplify right side
    27,768.88x = 376,876,474.72
  5. Step 5: Solve for x
    x = 376,876,474.72/27,768.88
  6. Step 6: Final answer
    x = 13,571.90

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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.