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Finding the Fourth Proportional to 29,496.70, 44,237.31 and 20,134.99

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Solution

The fourth proportional to 29,496.70, 44,237.31 and 20,134.99 is: 30,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,496.70 : 44,237.31 = 20,134.99 : x
  2. Step 2: Convert to fraction form
    29,496.70/44,237.31 = 20,134.99/x
  3. Step 3: Cross multiply
    29,496.70x = 44,237.31 × 20,134.99
  4. Step 4: Simplify right side
    29,496.70x = 890,717,794.48
  5. Step 5: Solve for x
    x = 890,717,794.48/29,496.70
  6. Step 6: Final answer
    x = 30,197.20

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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.