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Finding the Fourth Proportional to 3,365.41, 4,644.51 and 1,949.48

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Solution

The fourth proportional to 3,365.41, 4,644.51 and 1,949.48 is: 2,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.41 : 4,644.51 = 1,949.48 : x
  2. Step 2: Convert to fraction form
    3,365.41/4,644.51 = 1,949.48/x
  3. Step 3: Cross multiply
    3,365.41x = 4,644.51 × 1,949.48
  4. Step 4: Simplify right side
    3,365.41x = 9,054,363.44
  5. Step 5: Solve for x
    x = 9,054,363.44/3,365.41
  6. Step 6: Final answer
    x = 2,690.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.