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Finding the Fourth Proportional to 6,722.01, 10,069.15 and 3,940.23

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Solution

The fourth proportional to 6,722.01, 10,069.15 and 3,940.23 is: 5,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.01 : 10,069.15 = 3,940.23 : x
  2. Step 2: Convert to fraction form
    6,722.01/10,069.15 = 3,940.23/x
  3. Step 3: Cross multiply
    6,722.01x = 10,069.15 × 3,940.23
  4. Step 4: Simplify right side
    6,722.01x = 39,674,766.90
  5. Step 5: Solve for x
    x = 39,674,766.90/6,722.01
  6. Step 6: Final answer
    x = 5,902.22

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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.