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Finding the Fourth Proportional to 6,662.48, 9,195 and 5,541.44

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Solution

The fourth proportional to 6,662.48, 9,195 and 5,541.44 is: 7,647.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.48 : 9,195 = 5,541.44 : x
  2. Step 2: Convert to fraction form
    6,662.48/9,195 = 5,541.44/x
  3. Step 3: Cross multiply
    6,662.48x = 9,195 × 5,541.44
  4. Step 4: Simplify right side
    6,662.48x = 50,953,540.80
  5. Step 5: Solve for x
    x = 50,953,540.80/6,662.48
  6. Step 6: Final answer
    x = 7,647.83

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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.