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Finding the Fourth Proportional to 7,993.04, 11,992.44 and 2,799.68

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Solution

The fourth proportional to 7,993.04, 11,992.44 and 2,799.68 is: 4,200.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.04 : 11,992.44 = 2,799.68 : x
  2. Step 2: Convert to fraction form
    7,993.04/11,992.44 = 2,799.68/x
  3. Step 3: Cross multiply
    7,993.04x = 11,992.44 × 2,799.68
  4. Step 4: Simplify right side
    7,993.04x = 33,574,994.42
  5. Step 5: Solve for x
    x = 33,574,994.42/7,993.04
  6. Step 6: Final answer
    x = 4,200.53

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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.