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Finding the Fourth Proportional to 33,100.38, 45,675.81 and 19,486.26

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Solution

The fourth proportional to 33,100.38, 45,675.81 and 19,486.26 is: 26,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,100.38 : 45,675.81 = 19,486.26 : x
  2. Step 2: Convert to fraction form
    33,100.38/45,675.81 = 19,486.26/x
  3. Step 3: Cross multiply
    33,100.38x = 45,675.81 × 19,486.26
  4. Step 4: Simplify right side
    33,100.38x = 890,050,709.37
  5. Step 5: Solve for x
    x = 890,050,709.37/33,100.38
  6. Step 6: Final answer
    x = 26,889.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.