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Finding the Fourth Proportional to 43,493.17, 65,268.96 and 15,791.17

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Solution

The fourth proportional to 43,493.17, 65,268.96 and 15,791.17 is: 23,697.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,493.17 : 65,268.96 = 15,791.17 : x
  2. Step 2: Convert to fraction form
    43,493.17/65,268.96 = 15,791.17/x
  3. Step 3: Cross multiply
    43,493.17x = 65,268.96 × 15,791.17
  4. Step 4: Simplify right side
    43,493.17x = 1,030,673,243.08
  5. Step 5: Solve for x
    x = 1,030,673,243.08/43,493.17
  6. Step 6: Final answer
    x = 23,697.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.