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Finding the Fourth Proportional to 8,525.62, 12,789.78 and 3,596.68

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Solution

The fourth proportional to 8,525.62, 12,789.78 and 3,596.68 is: 5,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.62 : 12,789.78 = 3,596.68 : x
  2. Step 2: Convert to fraction form
    8,525.62/12,789.78 = 3,596.68/x
  3. Step 3: Cross multiply
    8,525.62x = 12,789.78 × 3,596.68
  4. Step 4: Simplify right side
    8,525.62x = 46,000,745.93
  5. Step 5: Solve for x
    x = 46,000,745.93/8,525.62
  6. Step 6: Final answer
    x = 5,395.59

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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.