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Finding the Fourth Proportional to 6,684.40, 10,008.96 and 5,361.94

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Solution

The fourth proportional to 6,684.40, 10,008.96 and 5,361.94 is: 8,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,684.40 : 10,008.96 = 5,361.94 : x
  2. Step 2: Convert to fraction form
    6,684.40/10,008.96 = 5,361.94/x
  3. Step 3: Cross multiply
    6,684.40x = 10,008.96 × 5,361.94
  4. Step 4: Simplify right side
    6,684.40x = 53,667,442.98
  5. Step 5: Solve for x
    x = 53,667,442.98/6,684.40
  6. Step 6: Final answer
    x = 8,028.76

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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.