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Finding the Fourth Proportional to 6,012.30, 8,994.15 and 5,199.60

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Solution

The fourth proportional to 6,012.30, 8,994.15 and 5,199.60 is: 7,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,012.30 : 8,994.15 = 5,199.60 : x
  2. Step 2: Convert to fraction form
    6,012.30/8,994.15 = 5,199.60/x
  3. Step 3: Cross multiply
    6,012.30x = 8,994.15 × 5,199.60
  4. Step 4: Simplify right side
    6,012.30x = 46,765,982.34
  5. Step 5: Solve for x
    x = 46,765,982.34/6,012.30
  6. Step 6: Final answer
    x = 7,778.38

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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.