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Finding the Fourth Proportional to 10,893.82, 16,340.92 and 3,102.83

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Solution

The fourth proportional to 10,893.82, 16,340.92 and 3,102.83 is: 4,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.82 : 16,340.92 = 3,102.83 : x
  2. Step 2: Convert to fraction form
    10,893.82/16,340.92 = 3,102.83/x
  3. Step 3: Cross multiply
    10,893.82x = 16,340.92 × 3,102.83
  4. Step 4: Simplify right side
    10,893.82x = 50,703,096.80
  5. Step 5: Solve for x
    x = 50,703,096.80/10,893.82
  6. Step 6: Final answer
    x = 4,654.30

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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.