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Finding the Fourth Proportional to 40,327, 55,651.26 and 22,663

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Solution

The fourth proportional to 40,327, 55,651.26 and 22,663 is: 31,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,327 : 55,651.26 = 22,663 : x
  2. Step 2: Convert to fraction form
    40,327/55,651.26 = 22,663/x
  3. Step 3: Cross multiply
    40,327x = 55,651.26 × 22,663
  4. Step 4: Simplify right side
    40,327x = 1,261,224,505.38
  5. Step 5: Solve for x
    x = 1,261,224,505.38/40,327
  6. Step 6: Final answer
    x = 31,274.94

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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.