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Finding the Fourth Proportional to 6,893.28, 10,327.62 and 3,965.45

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Solution

The fourth proportional to 6,893.28, 10,327.62 and 3,965.45 is: 5,941.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.28 : 10,327.62 = 3,965.45 : x
  2. Step 2: Convert to fraction form
    6,893.28/10,327.62 = 3,965.45/x
  3. Step 3: Cross multiply
    6,893.28x = 10,327.62 × 3,965.45
  4. Step 4: Simplify right side
    6,893.28x = 40,953,609.09
  5. Step 5: Solve for x
    x = 40,953,609.09/6,893.28
  6. Step 6: Final answer
    x = 5,941.09

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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.