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Finding the Fourth Proportional to 7,076.57, 10,616.16 and 3,954.83

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Solution

The fourth proportional to 7,076.57, 10,616.16 and 3,954.83 is: 5,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.57 : 10,616.16 = 3,954.83 : x
  2. Step 2: Convert to fraction form
    7,076.57/10,616.16 = 3,954.83/x
  3. Step 3: Cross multiply
    7,076.57x = 10,616.16 × 3,954.83
  4. Step 4: Simplify right side
    7,076.57x = 41,985,069.80
  5. Step 5: Solve for x
    x = 41,985,069.80/7,076.57
  6. Step 6: Final answer
    x = 5,932.97

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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.