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Finding the Fourth Proportional to 29,256.31, 40,375.16 and 17,926.44

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Solution

The fourth proportional to 29,256.31, 40,375.16 and 17,926.44 is: 24,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,256.31 : 40,375.16 = 17,926.44 : x
  2. Step 2: Convert to fraction form
    29,256.31/40,375.16 = 17,926.44/x
  3. Step 3: Cross multiply
    29,256.31x = 40,375.16 × 17,926.44
  4. Step 4: Simplify right side
    29,256.31x = 723,782,759.83
  5. Step 5: Solve for x
    x = 723,782,759.83/29,256.31
  6. Step 6: Final answer
    x = 24,739.37

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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.