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Finding the Fourth Proportional to 7,017.92, 9,680.46 and 4,183.43

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Solution

The fourth proportional to 7,017.92, 9,680.46 and 4,183.43 is: 5,770.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.92 : 9,680.46 = 4,183.43 : x
  2. Step 2: Convert to fraction form
    7,017.92/9,680.46 = 4,183.43/x
  3. Step 3: Cross multiply
    7,017.92x = 9,680.46 × 4,183.43
  4. Step 4: Simplify right side
    7,017.92x = 40,497,526.78
  5. Step 5: Solve for x
    x = 40,497,526.78/7,017.92
  6. Step 6: Final answer
    x = 5,770.59

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1.5x scale

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.