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Finding the Fourth Proportional to 4,000.96, 5,990.28 and 2,682.88

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Solution

The fourth proportional to 4,000.96, 5,990.28 and 2,682.88 is: 4,016.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.96 : 5,990.28 = 2,682.88 : x
  2. Step 2: Convert to fraction form
    4,000.96/5,990.28 = 2,682.88/x
  3. Step 3: Cross multiply
    4,000.96x = 5,990.28 × 2,682.88
  4. Step 4: Simplify right side
    4,000.96x = 16,071,202.41
  5. Step 5: Solve for x
    x = 16,071,202.41/4,000.96
  6. Step 6: Final answer
    x = 4,016.84

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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.