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Finding the Fourth Proportional to 7,136.07, 10,704.14 and 2,519.07

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Solution

The fourth proportional to 7,136.07, 10,704.14 and 2,519.07 is: 3,778.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.07 : 10,704.14 = 2,519.07 : x
  2. Step 2: Convert to fraction form
    7,136.07/10,704.14 = 2,519.07/x
  3. Step 3: Cross multiply
    7,136.07x = 10,704.14 × 2,519.07
  4. Step 4: Simplify right side
    7,136.07x = 26,964,465.35
  5. Step 5: Solve for x
    x = 26,964,465.35/7,136.07
  6. Step 6: Final answer
    x = 3,778.62

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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.