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Finding the Fourth Proportional to 3,376.70, 5,064.96 and 3,173.80

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Solution

The fourth proportional to 3,376.70, 5,064.96 and 3,173.80 is: 4,760.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.70 : 5,064.96 = 3,173.80 : x
  2. Step 2: Convert to fraction form
    3,376.70/5,064.96 = 3,173.80/x
  3. Step 3: Cross multiply
    3,376.70x = 5,064.96 × 3,173.80
  4. Step 4: Simplify right side
    3,376.70x = 16,075,170.05
  5. Step 5: Solve for x
    x = 16,075,170.05/3,376.70
  6. Step 6: Final answer
    x = 4,760.62

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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.