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Finding the Fourth Proportional to 19,953.82, 29,936.22 and 5,914.54

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Solution

The fourth proportional to 19,953.82, 29,936.22 and 5,914.54 is: 8,873.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.82 : 29,936.22 = 5,914.54 : x
  2. Step 2: Convert to fraction form
    19,953.82/29,936.22 = 5,914.54/x
  3. Step 3: Cross multiply
    19,953.82x = 29,936.22 × 5,914.54
  4. Step 4: Simplify right side
    19,953.82x = 177,058,970.64
  5. Step 5: Solve for x
    x = 177,058,970.64/19,953.82
  6. Step 6: Final answer
    x = 8,873.44

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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.