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Finding the Fourth Proportional to 5,863.28, 8,789.65 and 2,162.99

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Solution

The fourth proportional to 5,863.28, 8,789.65 and 2,162.99 is: 3,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,863.28 : 8,789.65 = 2,162.99 : x
  2. Step 2: Convert to fraction form
    5,863.28/8,789.65 = 2,162.99/x
  3. Step 3: Cross multiply
    5,863.28x = 8,789.65 × 2,162.99
  4. Step 4: Simplify right side
    5,863.28x = 19,011,941.62
  5. Step 5: Solve for x
    x = 19,011,941.62/5,863.28
  6. Step 6: Final answer
    x = 3,242.55

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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.