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Finding the Fourth Proportional to 8,557.85, 12,836.07 and 3,363.73

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Solution

The fourth proportional to 8,557.85, 12,836.07 and 3,363.73 is: 5,045.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.85 : 12,836.07 = 3,363.73 : x
  2. Step 2: Convert to fraction form
    8,557.85/12,836.07 = 3,363.73/x
  3. Step 3: Cross multiply
    8,557.85x = 12,836.07 × 3,363.73
  4. Step 4: Simplify right side
    8,557.85x = 43,177,041.65
  5. Step 5: Solve for x
    x = 43,177,041.65/8,557.85
  6. Step 6: Final answer
    x = 5,045.31

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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.