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Finding the Fourth Proportional to 6,346.98, 9,520.94 and 1,964.41

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Solution

The fourth proportional to 6,346.98, 9,520.94 and 1,964.41 is: 2,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.98 : 9,520.94 = 1,964.41 : x
  2. Step 2: Convert to fraction form
    6,346.98/9,520.94 = 1,964.41/x
  3. Step 3: Cross multiply
    6,346.98x = 9,520.94 × 1,964.41
  4. Step 4: Simplify right side
    6,346.98x = 18,703,010.85
  5. Step 5: Solve for x
    x = 18,703,010.85/6,346.98
  6. Step 6: Final answer
    x = 2,946.76

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1.5x scale

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.