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Finding the Fourth Proportional to 5,704.60, 8,556.90 and 5,631.70

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Solution

The fourth proportional to 5,704.60, 8,556.90 and 5,631.70 is: 8,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.60 : 8,556.90 = 5,631.70 : x
  2. Step 2: Convert to fraction form
    5,704.60/8,556.90 = 5,631.70/x
  3. Step 3: Cross multiply
    5,704.60x = 8,556.90 × 5,631.70
  4. Step 4: Simplify right side
    5,704.60x = 48,189,893.73
  5. Step 5: Solve for x
    x = 48,189,893.73/5,704.60
  6. Step 6: Final answer
    x = 8,447.55

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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.