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Finding the Fourth Proportional to 8,174.46, 12,261.69 and 2,018.46

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Solution

The fourth proportional to 8,174.46, 12,261.69 and 2,018.46 is: 3,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.46 : 12,261.69 = 2,018.46 : x
  2. Step 2: Convert to fraction form
    8,174.46/12,261.69 = 2,018.46/x
  3. Step 3: Cross multiply
    8,174.46x = 12,261.69 × 2,018.46
  4. Step 4: Simplify right side
    8,174.46x = 24,749,730.80
  5. Step 5: Solve for x
    x = 24,749,730.80/8,174.46
  6. Step 6: Final answer
    x = 3,027.69

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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.