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Finding the Fourth Proportional to 6,662.13, 9,993.37 and 2,045.13

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Solution

The fourth proportional to 6,662.13, 9,993.37 and 2,045.13 is: 3,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.13 : 9,993.37 = 2,045.13 : x
  2. Step 2: Convert to fraction form
    6,662.13/9,993.37 = 2,045.13/x
  3. Step 3: Cross multiply
    6,662.13x = 9,993.37 × 2,045.13
  4. Step 4: Simplify right side
    6,662.13x = 20,437,740.79
  5. Step 5: Solve for x
    x = 20,437,740.79/6,662.13
  6. Step 6: Final answer
    x = 3,067.75

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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.