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Finding the Fourth Proportional to 6,893.81, 10,337.61 and 1,962.26

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Solution

The fourth proportional to 6,893.81, 10,337.61 and 1,962.26 is: 2,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.81 : 10,337.61 = 1,962.26 : x
  2. Step 2: Convert to fraction form
    6,893.81/10,337.61 = 1,962.26/x
  3. Step 3: Cross multiply
    6,893.81x = 10,337.61 × 1,962.26
  4. Step 4: Simplify right side
    6,893.81x = 20,285,078.60
  5. Step 5: Solve for x
    x = 20,285,078.60/6,893.81
  6. Step 6: Final answer
    x = 2,942.51

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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.