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Finding the Fourth Proportional to 12,794.44, 19,188.78 and 4,586.44

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Solution

The fourth proportional to 12,794.44, 19,188.78 and 4,586.44 is: 6,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794.44 : 19,188.78 = 4,586.44 : x
  2. Step 2: Convert to fraction form
    12,794.44/19,188.78 = 4,586.44/x
  3. Step 3: Cross multiply
    12,794.44x = 19,188.78 × 4,586.44
  4. Step 4: Simplify right side
    12,794.44x = 88,008,188.14
  5. Step 5: Solve for x
    x = 88,008,188.14/12,794.44
  6. Step 6: Final answer
    x = 6,878.63

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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.