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Finding the Fourth Proportional to 56,605.98, 84,879.69 and 25,414.62

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Solution

The fourth proportional to 56,605.98, 84,879.69 and 25,414.62 is: 38,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,605.98 : 84,879.69 = 25,414.62 : x
  2. Step 2: Convert to fraction form
    56,605.98/84,879.69 = 25,414.62/x
  3. Step 3: Cross multiply
    56,605.98x = 84,879.69 × 25,414.62
  4. Step 4: Simplify right side
    56,605.98x = 2,157,185,067.07
  5. Step 5: Solve for x
    x = 2,157,185,067.07/56,605.98
  6. Step 6: Final answer
    x = 38,108.78

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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.