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Finding the Fourth Proportional to 4,576.86, 6,868.11 and 1,803.05

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Solution

The fourth proportional to 4,576.86, 6,868.11 and 1,803.05 is: 2,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.86 : 6,868.11 = 1,803.05 : x
  2. Step 2: Convert to fraction form
    4,576.86/6,868.11 = 1,803.05/x
  3. Step 3: Cross multiply
    4,576.86x = 6,868.11 × 1,803.05
  4. Step 4: Simplify right side
    4,576.86x = 12,383,511.39
  5. Step 5: Solve for x
    x = 12,383,511.39/4,576.86
  6. Step 6: Final answer
    x = 2,705.68

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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.