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Finding the Fourth Proportional to 29,059.79, 40,092.20 and 18,994.04

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Solution

The fourth proportional to 29,059.79, 40,092.20 and 18,994.04 is: 26,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,059.79 : 40,092.20 = 18,994.04 : x
  2. Step 2: Convert to fraction form
    29,059.79/40,092.20 = 18,994.04/x
  3. Step 3: Cross multiply
    29,059.79x = 40,092.20 × 18,994.04
  4. Step 4: Simplify right side
    29,059.79x = 761,512,755.52
  5. Step 5: Solve for x
    x = 761,512,755.52/29,059.79
  6. Step 6: Final answer
    x = 26,205.03

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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.