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Finding the Fourth Proportional to 6,893.19, 10,340.95 and 2,213.11

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Solution

The fourth proportional to 6,893.19, 10,340.95 and 2,213.11 is: 3,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,893.19 : 10,340.95 = 2,213.11 : x
  2. Step 2: Convert to fraction form
    6,893.19/10,340.95 = 2,213.11/x
  3. Step 3: Cross multiply
    6,893.19x = 10,340.95 × 2,213.11
  4. Step 4: Simplify right side
    6,893.19x = 22,885,659.85
  5. Step 5: Solve for x
    x = 22,885,659.85/6,893.19
  6. Step 6: Final answer
    x = 3,320.04

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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.