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Finding the Fourth Proportional to 8,297.91, 12,447.84 and 3,368.96

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Solution

The fourth proportional to 8,297.91, 12,447.84 and 3,368.96 is: 5,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,297.91 : 12,447.84 = 3,368.96 : x
  2. Step 2: Convert to fraction form
    8,297.91/12,447.84 = 3,368.96/x
  3. Step 3: Cross multiply
    8,297.91x = 12,447.84 × 3,368.96
  4. Step 4: Simplify right side
    8,297.91x = 41,936,272.12
  5. Step 5: Solve for x
    x = 41,936,272.12/8,297.91
  6. Step 6: Final answer
    x = 5,053.84

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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.