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Finding the Fourth Proportional to 29,623.17, 40,879.87 and 16,194.43

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Solution

The fourth proportional to 29,623.17, 40,879.87 and 16,194.43 is: 22,348.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,623.17 : 40,879.87 = 16,194.43 : x
  2. Step 2: Convert to fraction form
    29,623.17/40,879.87 = 16,194.43/x
  3. Step 3: Cross multiply
    29,623.17x = 40,879.87 × 16,194.43
  4. Step 4: Simplify right side
    29,623.17x = 662,026,193.12
  5. Step 5: Solve for x
    x = 662,026,193.12/29,623.17
  6. Step 6: Final answer
    x = 22,348.26

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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.