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Finding the Fourth Proportional to 13,922.44, 20,881.44 and 4,059.42

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Solution

The fourth proportional to 13,922.44, 20,881.44 and 4,059.42 is: 6,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.44 : 20,881.44 = 4,059.42 : x
  2. Step 2: Convert to fraction form
    13,922.44/20,881.44 = 4,059.42/x
  3. Step 3: Cross multiply
    13,922.44x = 20,881.44 × 4,059.42
  4. Step 4: Simplify right side
    13,922.44x = 84,766,535.16
  5. Step 5: Solve for x
    x = 84,766,535.16/13,922.44
  6. Step 6: Final answer
    x = 6,088.48

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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.