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Finding the Fourth Proportional to 29,958.44, 44,943.42 and 11,489

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Solution

The fourth proportional to 29,958.44, 44,943.42 and 11,489 is: 17,235.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,958.44 : 44,943.42 = 11,489 : x
  2. Step 2: Convert to fraction form
    29,958.44/44,943.42 = 11,489/x
  3. Step 3: Cross multiply
    29,958.44x = 44,943.42 × 11,489
  4. Step 4: Simplify right side
    29,958.44x = 516,354,952.38
  5. Step 5: Solve for x
    x = 516,354,952.38/29,958.44
  6. Step 6: Final answer
    x = 17,235.71

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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.