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Finding the Fourth Proportional to 51,174.44, 76,763.10 and 14,238.44

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Solution

The fourth proportional to 51,174.44, 76,763.10 and 14,238.44 is: 21,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,174.44 : 76,763.10 = 14,238.44 : x
  2. Step 2: Convert to fraction form
    51,174.44/76,763.10 = 14,238.44/x
  3. Step 3: Cross multiply
    51,174.44x = 76,763.10 × 14,238.44
  4. Step 4: Simplify right side
    51,174.44x = 1,092,986,793.56
  5. Step 5: Solve for x
    x = 1,092,986,793.56/51,174.44
  6. Step 6: Final answer
    x = 21,358.06

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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.