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Finding the Fourth Proportional to 7,794.67, 11,690.60 and 2,246.65

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Solution

The fourth proportional to 7,794.67, 11,690.60 and 2,246.65 is: 3,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.67 : 11,690.60 = 2,246.65 : x
  2. Step 2: Convert to fraction form
    7,794.67/11,690.60 = 2,246.65/x
  3. Step 3: Cross multiply
    7,794.67x = 11,690.60 × 2,246.65
  4. Step 4: Simplify right side
    7,794.67x = 26,264,686.49
  5. Step 5: Solve for x
    x = 26,264,686.49/7,794.67
  6. Step 6: Final answer
    x = 3,369.57

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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.