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Finding the Fourth Proportional to 18,793.97, 25,929.36 and 10,836.02

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Solution

The fourth proportional to 18,793.97, 25,929.36 and 10,836.02 is: 14,950.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,793.97 : 25,929.36 = 10,836.02 : x
  2. Step 2: Convert to fraction form
    18,793.97/25,929.36 = 10,836.02/x
  3. Step 3: Cross multiply
    18,793.97x = 25,929.36 × 10,836.02
  4. Step 4: Simplify right side
    18,793.97x = 280,971,063.55
  5. Step 5: Solve for x
    x = 280,971,063.55/18,793.97
  6. Step 6: Final answer
    x = 14,950.06

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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.