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Finding the Fourth Proportional to 6,661.99, 9,992.99 and 3,376.03

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Solution

The fourth proportional to 6,661.99, 9,992.99 and 3,376.03 is: 5,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.99 : 9,992.99 = 3,376.03 : x
  2. Step 2: Convert to fraction form
    6,661.99/9,992.99 = 3,376.03/x
  3. Step 3: Cross multiply
    6,661.99x = 9,992.99 × 3,376.03
  4. Step 4: Simplify right side
    6,661.99x = 33,736,634.03
  5. Step 5: Solve for x
    x = 33,736,634.03/6,661.99
  6. Step 6: Final answer
    x = 5,064.05

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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.