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Finding the Fourth Proportional to 6,626.44, 9,940.02 and 2,678.30

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Solution

The fourth proportional to 6,626.44, 9,940.02 and 2,678.30 is: 4,017.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.44 : 9,940.02 = 2,678.30 : x
  2. Step 2: Convert to fraction form
    6,626.44/9,940.02 = 2,678.30/x
  3. Step 3: Cross multiply
    6,626.44x = 9,940.02 × 2,678.30
  4. Step 4: Simplify right side
    6,626.44x = 26,622,333.10
  5. Step 5: Solve for x
    x = 26,622,333.10/6,626.44
  6. Step 6: Final answer
    x = 4,017.59

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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.