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Finding the Fourth Proportional to 4,662.72, 6,997.08 and 3,103.44

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Solution

The fourth proportional to 4,662.72, 6,997.08 and 3,103.44 is: 4,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662.72 : 6,997.08 = 3,103.44 : x
  2. Step 2: Convert to fraction form
    4,662.72/6,997.08 = 3,103.44/x
  3. Step 3: Cross multiply
    4,662.72x = 6,997.08 × 3,103.44
  4. Step 4: Simplify right side
    4,662.72x = 21,715,017.96
  5. Step 5: Solve for x
    x = 21,715,017.96/4,662.72
  6. Step 6: Final answer
    x = 4,657.16

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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.