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Finding the Fourth Proportional to 18,509.72, 27,764.56 and 6,029.73

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Solution

The fourth proportional to 18,509.72, 27,764.56 and 6,029.73 is: 9,044.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509.72 : 27,764.56 = 6,029.73 : x
  2. Step 2: Convert to fraction form
    18,509.72/27,764.56 = 6,029.73/x
  3. Step 3: Cross multiply
    18,509.72x = 27,764.56 × 6,029.73
  4. Step 4: Simplify right side
    18,509.72x = 167,412,764.13
  5. Step 5: Solve for x
    x = 167,412,764.13/18,509.72
  6. Step 6: Final answer
    x = 9,044.58

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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.