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Finding the Fourth Proportional to 47,793.70, 71,669.81 and 15,763.71

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Solution

The fourth proportional to 47,793.70, 71,669.81 and 15,763.71 is: 23,638.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,793.70 : 71,669.81 = 15,763.71 : x
  2. Step 2: Convert to fraction form
    47,793.70/71,669.81 = 15,763.71/x
  3. Step 3: Cross multiply
    47,793.70x = 71,669.81 × 15,763.71
  4. Step 4: Simplify right side
    47,793.70x = 1,129,782,408.77
  5. Step 5: Solve for x
    x = 1,129,782,408.77/47,793.70
  6. Step 6: Final answer
    x = 23,638.73

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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.