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Finding the Fourth Proportional to 7,243.64, 10,868.56 and 4,906.28

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Solution

The fourth proportional to 7,243.64, 10,868.56 and 4,906.28 is: 7,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.64 : 10,868.56 = 4,906.28 : x
  2. Step 2: Convert to fraction form
    7,243.64/10,868.56 = 4,906.28/x
  3. Step 3: Cross multiply
    7,243.64x = 10,868.56 × 4,906.28
  4. Step 4: Simplify right side
    7,243.64x = 53,324,198.56
  5. Step 5: Solve for x
    x = 53,324,198.56/7,243.64
  6. Step 6: Final answer
    x = 7,361.52

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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.