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Finding the Fourth Proportional to 12,414.62, 18,625.98 and 5,015.28

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Solution

The fourth proportional to 12,414.62, 18,625.98 and 5,015.28 is: 7,524.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.62 : 18,625.98 = 5,015.28 : x
  2. Step 2: Convert to fraction form
    12,414.62/18,625.98 = 5,015.28/x
  3. Step 3: Cross multiply
    12,414.62x = 18,625.98 × 5,015.28
  4. Step 4: Simplify right side
    12,414.62x = 93,414,504.97
  5. Step 5: Solve for x
    x = 93,414,504.97/12,414.62
  6. Step 6: Final answer
    x = 7,524.56

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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.