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Finding the Fourth Proportional to 29,296.98, 40,428.66 and 17,195.82

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Solution

The fourth proportional to 29,296.98, 40,428.66 and 17,195.82 is: 23,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,296.98 : 40,428.66 = 17,195.82 : x
  2. Step 2: Convert to fraction form
    29,296.98/40,428.66 = 17,195.82/x
  3. Step 3: Cross multiply
    29,296.98x = 40,428.66 × 17,195.82
  4. Step 4: Simplify right side
    29,296.98x = 695,203,960.20
  5. Step 5: Solve for x
    x = 695,203,960.20/29,296.98
  6. Step 6: Final answer
    x = 23,729.54

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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.