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Finding the Fourth Proportional to 3,396.76, 5,096.17 and 1,641.81

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Solution

The fourth proportional to 3,396.76, 5,096.17 and 1,641.81 is: 2,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.76 : 5,096.17 = 1,641.81 : x
  2. Step 2: Convert to fraction form
    3,396.76/5,096.17 = 1,641.81/x
  3. Step 3: Cross multiply
    3,396.76x = 5,096.17 × 1,641.81
  4. Step 4: Simplify right side
    3,396.76x = 8,366,942.87
  5. Step 5: Solve for x
    x = 8,366,942.87/3,396.76
  6. Step 6: Final answer
    x = 2,463.21

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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.