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Finding the Fourth Proportional to 5,663.99, 8,489.61 and 2,882.86

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Solution

The fourth proportional to 5,663.99, 8,489.61 and 2,882.86 is: 4,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.99 : 8,489.61 = 2,882.86 : x
  2. Step 2: Convert to fraction form
    5,663.99/8,489.61 = 2,882.86/x
  3. Step 3: Cross multiply
    5,663.99x = 8,489.61 × 2,882.86
  4. Step 4: Simplify right side
    5,663.99x = 24,474,335.86
  5. Step 5: Solve for x
    x = 24,474,335.86/5,663.99
  6. Step 6: Final answer
    x = 4,321.04

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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.