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Finding the Fourth Proportional to 14,190.56, 19,583.92 and 7,903.92

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Solution

The fourth proportional to 14,190.56, 19,583.92 and 7,903.92 is: 10,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.56 : 19,583.92 = 7,903.92 : x
  2. Step 2: Convert to fraction form
    14,190.56/19,583.92 = 7,903.92/x
  3. Step 3: Cross multiply
    14,190.56x = 19,583.92 × 7,903.92
  4. Step 4: Simplify right side
    14,190.56x = 154,789,736.97
  5. Step 5: Solve for x
    x = 154,789,736.97/14,190.56
  6. Step 6: Final answer
    x = 10,907.94

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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.