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Finding the Fourth Proportional to 6,353.88, 9,520.44 and 2,191.62

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Solution

The fourth proportional to 6,353.88, 9,520.44 and 2,191.62 is: 3,283.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,353.88 : 9,520.44 = 2,191.62 : x
  2. Step 2: Convert to fraction form
    6,353.88/9,520.44 = 2,191.62/x
  3. Step 3: Cross multiply
    6,353.88x = 9,520.44 × 2,191.62
  4. Step 4: Simplify right side
    6,353.88x = 20,865,186.71
  5. Step 5: Solve for x
    x = 20,865,186.71/6,353.88
  6. Step 6: Final answer
    x = 3,283.85

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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.