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Finding the Fourth Proportional to 12,606.84, 18,912.98 and 3,841.51

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Solution

The fourth proportional to 12,606.84, 18,912.98 and 3,841.51 is: 5,763.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606.84 : 18,912.98 = 3,841.51 : x
  2. Step 2: Convert to fraction form
    12,606.84/18,912.98 = 3,841.51/x
  3. Step 3: Cross multiply
    12,606.84x = 18,912.98 × 3,841.51
  4. Step 4: Simplify right side
    12,606.84x = 72,654,401.80
  5. Step 5: Solve for x
    x = 72,654,401.80/12,606.84
  6. Step 6: Final answer
    x = 5,763.09

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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.