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Finding the Fourth Proportional to 5,608.90, 8,404.62 and 3,269.62

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Solution

The fourth proportional to 5,608.90, 8,404.62 and 3,269.62 is: 4,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.90 : 8,404.62 = 3,269.62 : x
  2. Step 2: Convert to fraction form
    5,608.90/8,404.62 = 3,269.62/x
  3. Step 3: Cross multiply
    5,608.90x = 8,404.62 × 3,269.62
  4. Step 4: Simplify right side
    5,608.90x = 27,479,913.64
  5. Step 5: Solve for x
    x = 27,479,913.64/5,608.90
  6. Step 6: Final answer
    x = 4,899.34

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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.