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Finding the Fourth Proportional to 15,954.99, 23,932.49 and 7,179.65

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Solution

The fourth proportional to 15,954.99, 23,932.49 and 7,179.65 is: 10,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.99 : 23,932.49 = 7,179.65 : x
  2. Step 2: Convert to fraction form
    15,954.99/23,932.49 = 7,179.65/x
  3. Step 3: Cross multiply
    15,954.99x = 23,932.49 × 7,179.65
  4. Step 4: Simplify right side
    15,954.99x = 171,826,901.83
  5. Step 5: Solve for x
    x = 171,826,901.83/15,954.99
  6. Step 6: Final answer
    x = 10,769.48

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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.