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Finding the Fourth Proportional to 30,108.88, 41,550.12 and 17,362

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Solution

The fourth proportional to 30,108.88, 41,550.12 and 17,362 is: 23,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.88 : 41,550.12 = 17,362 : x
  2. Step 2: Convert to fraction form
    30,108.88/41,550.12 = 17,362/x
  3. Step 3: Cross multiply
    30,108.88x = 41,550.12 × 17,362
  4. Step 4: Simplify right side
    30,108.88x = 721,393,183.44
  5. Step 5: Solve for x
    x = 721,393,183.44/30,108.88
  6. Step 6: Final answer
    x = 23,959.48

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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.