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Finding the Fourth Proportional to 56,208.73, 84,324.16 and 16,764.97

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Solution

The fourth proportional to 56,208.73, 84,324.16 and 16,764.97 is: 25,150.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,208.73 : 84,324.16 = 16,764.97 : x
  2. Step 2: Convert to fraction form
    56,208.73/84,324.16 = 16,764.97/x
  3. Step 3: Cross multiply
    56,208.73x = 84,324.16 × 16,764.97
  4. Step 4: Simplify right side
    56,208.73x = 1,413,691,549.14
  5. Step 5: Solve for x
    x = 1,413,691,549.14/56,208.73
  6. Step 6: Final answer
    x = 25,150.75

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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.