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Finding the Fourth Proportional to 6,939.96, 10,404.40 and 4,014.96

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Solution

The fourth proportional to 6,939.96, 10,404.40 and 4,014.96 is: 6,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.96 : 10,404.40 = 4,014.96 : x
  2. Step 2: Convert to fraction form
    6,939.96/10,404.40 = 4,014.96/x
  3. Step 3: Cross multiply
    6,939.96x = 10,404.40 × 4,014.96
  4. Step 4: Simplify right side
    6,939.96x = 41,773,249.82
  5. Step 5: Solve for x
    x = 41,773,249.82/6,939.96
  6. Step 6: Final answer
    x = 6,019.23

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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.