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Finding the Fourth Proportional to 7,863.03, 11,794.55 and 2,019.65

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Solution

The fourth proportional to 7,863.03, 11,794.55 and 2,019.65 is: 3,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.03 : 11,794.55 = 2,019.65 : x
  2. Step 2: Convert to fraction form
    7,863.03/11,794.55 = 2,019.65/x
  3. Step 3: Cross multiply
    7,863.03x = 11,794.55 × 2,019.65
  4. Step 4: Simplify right side
    7,863.03x = 23,820,793.84
  5. Step 5: Solve for x
    x = 23,820,793.84/7,863.03
  6. Step 6: Final answer
    x = 3,029.47

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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.