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Finding the Fourth Proportional to 8,410.82, 12,609.54 and 5,452.29

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Solution

The fourth proportional to 8,410.82, 12,609.54 and 5,452.29 is: 8,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410.82 : 12,609.54 = 5,452.29 : x
  2. Step 2: Convert to fraction form
    8,410.82/12,609.54 = 5,452.29/x
  3. Step 3: Cross multiply
    8,410.82x = 12,609.54 × 5,452.29
  4. Step 4: Simplify right side
    8,410.82x = 68,750,868.85
  5. Step 5: Solve for x
    x = 68,750,868.85/8,410.82
  6. Step 6: Final answer
    x = 8,174.10

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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.