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Finding the Fourth Proportional to 8,364.91, 12,550.44 and 3,433.22

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Solution

The fourth proportional to 8,364.91, 12,550.44 and 3,433.22 is: 5,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.91 : 12,550.44 = 3,433.22 : x
  2. Step 2: Convert to fraction form
    8,364.91/12,550.44 = 3,433.22/x
  3. Step 3: Cross multiply
    8,364.91x = 12,550.44 × 3,433.22
  4. Step 4: Simplify right side
    8,364.91x = 43,088,421.62
  5. Step 5: Solve for x
    x = 43,088,421.62/8,364.91
  6. Step 6: Final answer
    x = 5,151.09

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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.