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Finding the Fourth Proportional to 9,793.39, 14,692.26 and 3,219.31

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Solution

The fourth proportional to 9,793.39, 14,692.26 and 3,219.31 is: 4,829.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,793.39 : 14,692.26 = 3,219.31 : x
  2. Step 2: Convert to fraction form
    9,793.39/14,692.26 = 3,219.31/x
  3. Step 3: Cross multiply
    9,793.39x = 14,692.26 × 3,219.31
  4. Step 4: Simplify right side
    9,793.39x = 47,298,939.54
  5. Step 5: Solve for x
    x = 47,298,939.54/9,793.39
  6. Step 6: Final answer
    x = 4,829.68

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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.