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Finding the Fourth Proportional to 27,919.44, 41,879.52 and 15,437.52

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Solution

The fourth proportional to 27,919.44, 41,879.52 and 15,437.52 is: 23,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.44 : 41,879.52 = 15,437.52 : x
  2. Step 2: Convert to fraction form
    27,919.44/41,879.52 = 15,437.52/x
  3. Step 3: Cross multiply
    27,919.44x = 41,879.52 × 15,437.52
  4. Step 4: Simplify right side
    27,919.44x = 646,515,927.59
  5. Step 5: Solve for x
    x = 646,515,927.59/27,919.44
  6. Step 6: Final answer
    x = 23,156.48

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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.