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Finding the Fourth Proportional to 29,227, 40,333.26 and 15,979

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Solution

The fourth proportional to 29,227, 40,333.26 and 15,979 is: 22,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,227 : 40,333.26 = 15,979 : x
  2. Step 2: Convert to fraction form
    29,227/40,333.26 = 15,979/x
  3. Step 3: Cross multiply
    29,227x = 40,333.26 × 15,979
  4. Step 4: Simplify right side
    29,227x = 644,485,161.54
  5. Step 5: Solve for x
    x = 644,485,161.54/29,227
  6. Step 6: Final answer
    x = 22,051.02

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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.