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Finding the Fourth Proportional to 29,425.98, 40,608.11 and 15,997.26

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Solution

The fourth proportional to 29,425.98, 40,608.11 and 15,997.26 is: 22,076.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,425.98 : 40,608.11 = 15,997.26 : x
  2. Step 2: Convert to fraction form
    29,425.98/40,608.11 = 15,997.26/x
  3. Step 3: Cross multiply
    29,425.98x = 40,608.11 × 15,997.26
  4. Step 4: Simplify right side
    29,425.98x = 649,618,493.78
  5. Step 5: Solve for x
    x = 649,618,493.78/29,425.98
  6. Step 6: Final answer
    x = 22,076.36

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1.5x scale

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.