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Finding the Fourth Proportional to 6,961.01, 10,431.27 and 5,103.43

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Solution

The fourth proportional to 6,961.01, 10,431.27 and 5,103.43 is: 7,647.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.01 : 10,431.27 = 5,103.43 : x
  2. Step 2: Convert to fraction form
    6,961.01/10,431.27 = 5,103.43/x
  3. Step 3: Cross multiply
    6,961.01x = 10,431.27 × 5,103.43
  4. Step 4: Simplify right side
    6,961.01x = 53,235,230.18
  5. Step 5: Solve for x
    x = 53,235,230.18/6,961.01
  6. Step 6: Final answer
    x = 7,647.64

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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.