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Finding the Fourth Proportional to 12,014.70, 18,019.29 and 3,250.29

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Solution

The fourth proportional to 12,014.70, 18,019.29 and 3,250.29 is: 4,874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.70 : 18,019.29 = 3,250.29 : x
  2. Step 2: Convert to fraction form
    12,014.70/18,019.29 = 3,250.29/x
  3. Step 3: Cross multiply
    12,014.70x = 18,019.29 × 3,250.29
  4. Step 4: Simplify right side
    12,014.70x = 58,567,997.86
  5. Step 5: Solve for x
    x = 58,567,997.86/12,014.70
  6. Step 6: Final answer
    x = 4,874.70

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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.