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Finding the Fourth Proportional to 29,475.90, 44,249.90 and 19,489.28

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Solution

The fourth proportional to 29,475.90, 44,249.90 and 19,489.28 is: 29,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,475.90 : 44,249.90 = 19,489.28 : x
  2. Step 2: Convert to fraction form
    29,475.90/44,249.90 = 19,489.28/x
  3. Step 3: Cross multiply
    29,475.90x = 44,249.90 × 19,489.28
  4. Step 4: Simplify right side
    29,475.90x = 862,398,372.38
  5. Step 5: Solve for x
    x = 862,398,372.38/29,475.90
  6. Step 6: Final answer
    x = 29,257.75

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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.