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Finding the Fourth Proportional to 6,608.36, 9,119.22 and 3,623.64

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Solution

The fourth proportional to 6,608.36, 9,119.22 and 3,623.64 is: 5,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.36 : 9,119.22 = 3,623.64 : x
  2. Step 2: Convert to fraction form
    6,608.36/9,119.22 = 3,623.64/x
  3. Step 3: Cross multiply
    6,608.36x = 9,119.22 × 3,623.64
  4. Step 4: Simplify right side
    6,608.36x = 33,044,770.36
  5. Step 5: Solve for x
    x = 33,044,770.36/6,608.36
  6. Step 6: Final answer
    x = 5,000.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.