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Finding the Fourth Proportional to 7,994.99, 11,992.50 and 3,066.14

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Solution

The fourth proportional to 7,994.99, 11,992.50 and 3,066.14 is: 4,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.99 : 11,992.50 = 3,066.14 : x
  2. Step 2: Convert to fraction form
    7,994.99/11,992.50 = 3,066.14/x
  3. Step 3: Cross multiply
    7,994.99x = 11,992.50 × 3,066.14
  4. Step 4: Simplify right side
    7,994.99x = 36,770,623.99
  5. Step 5: Solve for x
    x = 36,770,623.99/7,994.99
  6. Step 6: Final answer
    x = 4,599.21

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Double scale
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Similar ratio
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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.