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Finding the Fourth Proportional to 51,723.89, 71,379.02 and 29,367.89

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Solution

The fourth proportional to 51,723.89, 71,379.02 and 29,367.89 is: 40,527.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,723.89 : 71,379.02 = 29,367.89 : x
  2. Step 2: Convert to fraction form
    51,723.89/71,379.02 = 29,367.89/x
  3. Step 3: Cross multiply
    51,723.89x = 71,379.02 × 29,367.89
  4. Step 4: Simplify right side
    51,723.89x = 2,096,251,207.67
  5. Step 5: Solve for x
    x = 2,096,251,207.67/51,723.89
  6. Step 6: Final answer
    x = 40,527.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.