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Finding the Fourth Proportional to 5,874.86, 8,107.12 and 3,222.22

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Solution

The fourth proportional to 5,874.86, 8,107.12 and 3,222.22 is: 4,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.86 : 8,107.12 = 3,222.22 : x
  2. Step 2: Convert to fraction form
    5,874.86/8,107.12 = 3,222.22/x
  3. Step 3: Cross multiply
    5,874.86x = 8,107.12 × 3,222.22
  4. Step 4: Simplify right side
    5,874.86x = 26,122,924.21
  5. Step 5: Solve for x
    x = 26,122,924.21/5,874.86
  6. Step 6: Final answer
    x = 4,446.56

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.