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Finding the Fourth Proportional to 18,790.23, 25,930.78 and 10,292.16

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Solution

The fourth proportional to 18,790.23, 25,930.78 and 10,292.16 is: 14,203.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,790.23 : 25,930.78 = 10,292.16 : x
  2. Step 2: Convert to fraction form
    18,790.23/25,930.78 = 10,292.16/x
  3. Step 3: Cross multiply
    18,790.23x = 25,930.78 × 10,292.16
  4. Step 4: Simplify right side
    18,790.23x = 266,883,866.09
  5. Step 5: Solve for x
    x = 266,883,866.09/18,790.23
  6. Step 6: Final answer
    x = 14,203.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.