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Finding the Fourth Proportional to 6,404.67, 9,609.21 and 2,245.77

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Solution

The fourth proportional to 6,404.67, 9,609.21 and 2,245.77 is: 3,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404.67 : 9,609.21 = 2,245.77 : x
  2. Step 2: Convert to fraction form
    6,404.67/9,609.21 = 2,245.77/x
  3. Step 3: Cross multiply
    6,404.67x = 9,609.21 × 2,245.77
  4. Step 4: Simplify right side
    6,404.67x = 21,580,075.54
  5. Step 5: Solve for x
    x = 21,580,075.54/6,404.67
  6. Step 6: Final answer
    x = 3,369.43

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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.