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Finding the Fourth Proportional to 7,863.30, 11,794.98 and 7,469.14

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Solution

The fourth proportional to 7,863.30, 11,794.98 and 7,469.14 is: 11,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.30 : 11,794.98 = 7,469.14 : x
  2. Step 2: Convert to fraction form
    7,863.30/11,794.98 = 7,469.14/x
  3. Step 3: Cross multiply
    7,863.30x = 11,794.98 × 7,469.14
  4. Step 4: Simplify right side
    7,863.30x = 88,098,356.92
  5. Step 5: Solve for x
    x = 88,098,356.92/7,863.30
  6. Step 6: Final answer
    x = 11,203.74

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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.