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Finding the Fourth Proportional to 18,696.24, 25,800.83 and 10,740

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Solution

The fourth proportional to 18,696.24, 25,800.83 and 10,740 is: 14,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696.24 : 25,800.83 = 10,740 : x
  2. Step 2: Convert to fraction form
    18,696.24/25,800.83 = 10,740/x
  3. Step 3: Cross multiply
    18,696.24x = 25,800.83 × 10,740
  4. Step 4: Simplify right side
    18,696.24x = 277,100,914.20
  5. Step 5: Solve for x
    x = 277,100,914.20/18,696.24
  6. Step 6: Final answer
    x = 14,821.21

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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.