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Finding the Fourth Proportional to 20,016.84, 30,029.58 and 8,338.80

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Solution

The fourth proportional to 20,016.84, 30,029.58 and 8,338.80 is: 12,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.84 : 30,029.58 = 8,338.80 : x
  2. Step 2: Convert to fraction form
    20,016.84/30,029.58 = 8,338.80/x
  3. Step 3: Cross multiply
    20,016.84x = 30,029.58 × 8,338.80
  4. Step 4: Simplify right side
    20,016.84x = 250,410,661.70
  5. Step 5: Solve for x
    x = 250,410,661.70/20,016.84
  6. Step 6: Final answer
    x = 12,510.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.