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Finding the Fourth Proportional to 6,679.44, 10,020.60 and 3,603.60

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Solution

The fourth proportional to 6,679.44, 10,020.60 and 3,603.60 is: 5,406.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.44 : 10,020.60 = 3,603.60 : x
  2. Step 2: Convert to fraction form
    6,679.44/10,020.60 = 3,603.60/x
  3. Step 3: Cross multiply
    6,679.44x = 10,020.60 × 3,603.60
  4. Step 4: Simplify right side
    6,679.44x = 36,110,234.16
  5. Step 5: Solve for x
    x = 36,110,234.16/6,679.44
  6. Step 6: Final answer
    x = 5,406.18

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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.