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Finding the Fourth Proportional to 6,668.62, 9,984.45 and 3,365.56

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Solution

The fourth proportional to 6,668.62, 9,984.45 and 3,365.56 is: 5,039.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.62 : 9,984.45 = 3,365.56 : x
  2. Step 2: Convert to fraction form
    6,668.62/9,984.45 = 3,365.56/x
  3. Step 3: Cross multiply
    6,668.62x = 9,984.45 × 3,365.56
  4. Step 4: Simplify right side
    6,668.62x = 33,603,265.54
  5. Step 5: Solve for x
    x = 33,603,265.54/6,668.62
  6. Step 6: Final answer
    x = 5,039.01

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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.