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Finding the Fourth Proportional to 7,169.73, 9,893.18 and 4,025.31

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Solution

The fourth proportional to 7,169.73, 9,893.18 and 4,025.31 is: 5,554.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.73 : 9,893.18 = 4,025.31 : x
  2. Step 2: Convert to fraction form
    7,169.73/9,893.18 = 4,025.31/x
  3. Step 3: Cross multiply
    7,169.73x = 9,893.18 × 4,025.31
  4. Step 4: Simplify right side
    7,169.73x = 39,823,096.26
  5. Step 5: Solve for x
    x = 39,823,096.26/7,169.73
  6. Step 6: Final answer
    x = 5,554.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.