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Finding the Fourth Proportional to 11,769.99, 17,662.28 and 10,559.85

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Solution

The fourth proportional to 11,769.99, 17,662.28 and 10,559.85 is: 15,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.99 : 17,662.28 = 10,559.85 : x
  2. Step 2: Convert to fraction form
    11,769.99/17,662.28 = 10,559.85/x
  3. Step 3: Cross multiply
    11,769.99x = 17,662.28 × 10,559.85
  4. Step 4: Simplify right side
    11,769.99x = 186,510,974.66
  5. Step 5: Solve for x
    x = 186,510,974.66/11,769.99
  6. Step 6: Final answer
    x = 15,846.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.