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Finding the Fourth Proportional to 8,015.70, 12,027.07 and 4,266.60

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Solution

The fourth proportional to 8,015.70, 12,027.07 and 4,266.60 is: 6,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.70 : 12,027.07 = 4,266.60 : x
  2. Step 2: Convert to fraction form
    8,015.70/12,027.07 = 4,266.60/x
  3. Step 3: Cross multiply
    8,015.70x = 12,027.07 × 4,266.60
  4. Step 4: Simplify right side
    8,015.70x = 51,314,696.86
  5. Step 5: Solve for x
    x = 51,314,696.86/8,015.70
  6. Step 6: Final answer
    x = 6,401.77

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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.