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Finding the Fourth Proportional to 22,473.61, 33,731.12 and 11,388.03

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Solution

The fourth proportional to 22,473.61, 33,731.12 and 11,388.03 is: 17,092.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,473.61 : 33,731.12 = 11,388.03 : x
  2. Step 2: Convert to fraction form
    22,473.61/33,731.12 = 11,388.03/x
  3. Step 3: Cross multiply
    22,473.61x = 33,731.12 × 11,388.03
  4. Step 4: Simplify right side
    22,473.61x = 384,131,006.49
  5. Step 5: Solve for x
    x = 384,131,006.49/22,473.61
  6. Step 6: Final answer
    x = 17,092.54

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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.