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Finding the Fourth Proportional to 4,548.12, 6,822.03 and 1,879.11

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Solution

The fourth proportional to 4,548.12, 6,822.03 and 1,879.11 is: 2,818.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548.12 : 6,822.03 = 1,879.11 : x
  2. Step 2: Convert to fraction form
    4,548.12/6,822.03 = 1,879.11/x
  3. Step 3: Cross multiply
    4,548.12x = 6,822.03 × 1,879.11
  4. Step 4: Simplify right side
    4,548.12x = 12,819,351.84
  5. Step 5: Solve for x
    x = 12,819,351.84/4,548.12
  6. Step 6: Final answer
    x = 2,818.61

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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.