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Finding the Fourth Proportional to 6,696.40, 10,033.80 and 4,226.80

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Solution

The fourth proportional to 6,696.40, 10,033.80 and 4,226.80 is: 6,333.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,696.40 : 10,033.80 = 4,226.80 : x
  2. Step 2: Convert to fraction form
    6,696.40/10,033.80 = 4,226.80/x
  3. Step 3: Cross multiply
    6,696.40x = 10,033.80 × 4,226.80
  4. Step 4: Simplify right side
    6,696.40x = 42,410,865.84
  5. Step 5: Solve for x
    x = 42,410,865.84/6,696.40
  6. Step 6: Final answer
    x = 6,333.38

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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.