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Finding the Fourth Proportional to 8,396.60, 12,594.08 and 4,234.96

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Solution

The fourth proportional to 8,396.60, 12,594.08 and 4,234.96 is: 6,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.60 : 12,594.08 = 4,234.96 : x
  2. Step 2: Convert to fraction form
    8,396.60/12,594.08 = 4,234.96/x
  3. Step 3: Cross multiply
    8,396.60x = 12,594.08 × 4,234.96
  4. Step 4: Simplify right side
    8,396.60x = 53,335,425.04
  5. Step 5: Solve for x
    x = 53,335,425.04/8,396.60
  6. Step 6: Final answer
    x = 6,352.03

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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.