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Finding the Fourth Proportional to 5,980.32, 8,964.18 and 4,125.42

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Solution

The fourth proportional to 5,980.32, 8,964.18 and 4,125.42 is: 6,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.32 : 8,964.18 = 4,125.42 : x
  2. Step 2: Convert to fraction form
    5,980.32/8,964.18 = 4,125.42/x
  3. Step 3: Cross multiply
    5,980.32x = 8,964.18 × 4,125.42
  4. Step 4: Simplify right side
    5,980.32x = 36,981,007.46
  5. Step 5: Solve for x
    x = 36,981,007.46/5,980.32
  6. Step 6: Final answer
    x = 6,183.78

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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.