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Finding the Fourth Proportional to 7,793.98, 11,690.60 and 2,863.24

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Solution

The fourth proportional to 7,793.98, 11,690.60 and 2,863.24 is: 4,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,793.98 : 11,690.60 = 2,863.24 : x
  2. Step 2: Convert to fraction form
    7,793.98/11,690.60 = 2,863.24/x
  3. Step 3: Cross multiply
    7,793.98x = 11,690.60 × 2,863.24
  4. Step 4: Simplify right side
    7,793.98x = 33,472,950.00
  5. Step 5: Solve for x
    x = 33,472,950.00/7,793.98
  6. Step 6: Final answer
    x = 4,294.72

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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.