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Finding the Fourth Proportional to 4,471.79, 6,693.76 and 4,002.29

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Solution

The fourth proportional to 4,471.79, 6,693.76 and 4,002.29 is: 5,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,471.79 : 6,693.76 = 4,002.29 : x
  2. Step 2: Convert to fraction form
    4,471.79/6,693.76 = 4,002.29/x
  3. Step 3: Cross multiply
    4,471.79x = 6,693.76 × 4,002.29
  4. Step 4: Simplify right side
    4,471.79x = 26,790,375.44
  5. Step 5: Solve for x
    x = 26,790,375.44/4,471.79
  6. Step 6: Final answer
    x = 5,990.97

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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.