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Finding the Fourth Proportional to 8,396.65, 12,593.94 and 3,465.65

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Solution

The fourth proportional to 8,396.65, 12,593.94 and 3,465.65 is: 5,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.65 : 12,593.94 = 3,465.65 : x
  2. Step 2: Convert to fraction form
    8,396.65/12,593.94 = 3,465.65/x
  3. Step 3: Cross multiply
    8,396.65x = 12,593.94 × 3,465.65
  4. Step 4: Simplify right side
    8,396.65x = 43,646,188.16
  5. Step 5: Solve for x
    x = 43,646,188.16/8,396.65
  6. Step 6: Final answer
    x = 5,198.05

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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.