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Finding the Fourth Proportional to 29,791.90, 41,109.78 and 17,855.02

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Solution

The fourth proportional to 29,791.90, 41,109.78 and 17,855.02 is: 24,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,791.90 : 41,109.78 = 17,855.02 : x
  2. Step 2: Convert to fraction form
    29,791.90/41,109.78 = 17,855.02/x
  3. Step 3: Cross multiply
    29,791.90x = 41,109.78 × 17,855.02
  4. Step 4: Simplify right side
    29,791.90x = 734,015,944.10
  5. Step 5: Solve for x
    x = 734,015,944.10/29,791.90
  6. Step 6: Final answer
    x = 24,638.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.