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Finding the Fourth Proportional to 6,441.98, 8,890.67 and 3,610.12

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Solution

The fourth proportional to 6,441.98, 8,890.67 and 3,610.12 is: 4,982.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.98 : 8,890.67 = 3,610.12 : x
  2. Step 2: Convert to fraction form
    6,441.98/8,890.67 = 3,610.12/x
  3. Step 3: Cross multiply
    6,441.98x = 8,890.67 × 3,610.12
  4. Step 4: Simplify right side
    6,441.98x = 32,096,323.08
  5. Step 5: Solve for x
    x = 32,096,323.08/6,441.98
  6. Step 6: Final answer
    x = 4,982.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.