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Finding the Fourth Proportional to 6,375.48, 9,563.22 and 1,992.96

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Solution

The fourth proportional to 6,375.48, 9,563.22 and 1,992.96 is: 2,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.48 : 9,563.22 = 1,992.96 : x
  2. Step 2: Convert to fraction form
    6,375.48/9,563.22 = 1,992.96/x
  3. Step 3: Cross multiply
    6,375.48x = 9,563.22 × 1,992.96
  4. Step 4: Simplify right side
    6,375.48x = 19,059,114.93
  5. Step 5: Solve for x
    x = 19,059,114.93/6,375.48
  6. Step 6: Final answer
    x = 2,989.44

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Double scale
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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.