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Finding the Fourth Proportional to 6,662.08, 9,990.21 and 3,541.33

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Solution

The fourth proportional to 6,662.08, 9,990.21 and 3,541.33 is: 5,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.08 : 9,990.21 = 3,541.33 : x
  2. Step 2: Convert to fraction form
    6,662.08/9,990.21 = 3,541.33/x
  3. Step 3: Cross multiply
    6,662.08x = 9,990.21 × 3,541.33
  4. Step 4: Simplify right side
    6,662.08x = 35,378,630.38
  5. Step 5: Solve for x
    x = 35,378,630.38/6,662.08
  6. Step 6: Final answer
    x = 5,310.45

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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.