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Finding the Fourth Proportional to 17,991.67, 26,989.43 and 4,844.23

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Solution

The fourth proportional to 17,991.67, 26,989.43 and 4,844.23 is: 7,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991.67 : 26,989.43 = 4,844.23 : x
  2. Step 2: Convert to fraction form
    17,991.67/26,989.43 = 4,844.23/x
  3. Step 3: Cross multiply
    17,991.67x = 26,989.43 × 4,844.23
  4. Step 4: Simplify right side
    17,991.67x = 130,743,006.49
  5. Step 5: Solve for x
    x = 130,743,006.49/17,991.67
  6. Step 6: Final answer
    x = 7,266.86

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1.5x scale

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.