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Finding the Fourth Proportional to 66,736.78, 100,035.43 and 22,327

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Solution

The fourth proportional to 66,736.78, 100,035.43 and 22,327 is: 33,467.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,736.78 : 100,035.43 = 22,327 : x
  2. Step 2: Convert to fraction form
    66,736.78/100,035.43 = 22,327/x
  3. Step 3: Cross multiply
    66,736.78x = 100,035.43 × 22,327
  4. Step 4: Simplify right side
    66,736.78x = 2,233,490,933.98
  5. Step 5: Solve for x
    x = 2,233,490,933.98/66,736.78
  6. Step 6: Final answer
    x = 33,467.17

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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.