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Finding the Fourth Proportional to 2,794.98, 4,192.74 and 946.44

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Solution

The fourth proportional to 2,794.98, 4,192.74 and 946.44 is: 1,419.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.98 : 4,192.74 = 946.44 : x
  2. Step 2: Convert to fraction form
    2,794.98/4,192.74 = 946.44/x
  3. Step 3: Cross multiply
    2,794.98x = 4,192.74 × 946.44
  4. Step 4: Simplify right side
    2,794.98x = 3,968,176.85
  5. Step 5: Solve for x
    x = 3,968,176.85/2,794.98
  6. Step 6: Final answer
    x = 1,419.75

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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.