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Finding the Fourth Proportional to 3,912.23, 5,868.25 and 1,446.77

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Solution

The fourth proportional to 3,912.23, 5,868.25 and 1,446.77 is: 2,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.23 : 5,868.25 = 1,446.77 : x
  2. Step 2: Convert to fraction form
    3,912.23/5,868.25 = 1,446.77/x
  3. Step 3: Cross multiply
    3,912.23x = 5,868.25 × 1,446.77
  4. Step 4: Simplify right side
    3,912.23x = 8,490,008.05
  5. Step 5: Solve for x
    x = 8,490,008.05/3,912.23
  6. Step 6: Final answer
    x = 2,170.12

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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.