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Finding the Fourth Proportional to 5,600.46, 7,728.46 and 3,082.56

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Solution

The fourth proportional to 5,600.46, 7,728.46 and 3,082.56 is: 4,253.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600.46 : 7,728.46 = 3,082.56 : x
  2. Step 2: Convert to fraction form
    5,600.46/7,728.46 = 3,082.56/x
  3. Step 3: Cross multiply
    5,600.46x = 7,728.46 × 3,082.56
  4. Step 4: Simplify right side
    5,600.46x = 23,823,441.66
  5. Step 5: Solve for x
    x = 23,823,441.66/5,600.46
  6. Step 6: Final answer
    x = 4,253.84

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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.