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Finding the Fourth Proportional to 17,393.40, 23,995.44 and 11,731.80

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Solution

The fourth proportional to 17,393.40, 23,995.44 and 11,731.80 is: 16,184.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393.40 : 23,995.44 = 11,731.80 : x
  2. Step 2: Convert to fraction form
    17,393.40/23,995.44 = 11,731.80/x
  3. Step 3: Cross multiply
    17,393.40x = 23,995.44 × 11,731.80
  4. Step 4: Simplify right side
    17,393.40x = 281,509,702.99
  5. Step 5: Solve for x
    x = 281,509,702.99/17,393.40
  6. Step 6: Final answer
    x = 16,184.86

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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.