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Finding the Fourth Proportional to 4,611.42, 6,919.14 and 2,419.62

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Solution

The fourth proportional to 4,611.42, 6,919.14 and 2,419.62 is: 3,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.42 : 6,919.14 = 2,419.62 : x
  2. Step 2: Convert to fraction form
    4,611.42/6,919.14 = 2,419.62/x
  3. Step 3: Cross multiply
    4,611.42x = 6,919.14 × 2,419.62
  4. Step 4: Simplify right side
    4,611.42x = 16,741,689.53
  5. Step 5: Solve for x
    x = 16,741,689.53/4,611.42
  6. Step 6: Final answer
    x = 3,630.48

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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.