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Finding the Fourth Proportional to 5,083.92, 7,620.48 and 1,963.08

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Solution

The fourth proportional to 5,083.92, 7,620.48 and 1,963.08 is: 2,942.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.92 : 7,620.48 = 1,963.08 : x
  2. Step 2: Convert to fraction form
    5,083.92/7,620.48 = 1,963.08/x
  3. Step 3: Cross multiply
    5,083.92x = 7,620.48 × 1,963.08
  4. Step 4: Simplify right side
    5,083.92x = 14,959,611.88
  5. Step 5: Solve for x
    x = 14,959,611.88/5,083.92
  6. Step 6: Final answer
    x = 2,942.53

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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.