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Finding the Fourth Proportional to 18,599.81, 25,668 and 10,101.96

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Solution

The fourth proportional to 18,599.81, 25,668 and 10,101.96 is: 13,940.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.81 : 25,668 = 10,101.96 : x
  2. Step 2: Convert to fraction form
    18,599.81/25,668 = 10,101.96/x
  3. Step 3: Cross multiply
    18,599.81x = 25,668 × 10,101.96
  4. Step 4: Simplify right side
    18,599.81x = 259,297,109.28
  5. Step 5: Solve for x
    x = 259,297,109.28/18,599.81
  6. Step 6: Final answer
    x = 13,940.85

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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.