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Finding the Fourth Proportional to 17,979.96, 26,969.10 and 6,295.80

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Solution

The fourth proportional to 17,979.96, 26,969.10 and 6,295.80 is: 9,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.96 : 26,969.10 = 6,295.80 : x
  2. Step 2: Convert to fraction form
    17,979.96/26,969.10 = 6,295.80/x
  3. Step 3: Cross multiply
    17,979.96x = 26,969.10 × 6,295.80
  4. Step 4: Simplify right side
    17,979.96x = 169,792,059.78
  5. Step 5: Solve for x
    x = 169,792,059.78/17,979.96
  6. Step 6: Final answer
    x = 9,443.41

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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.