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Finding the Fourth Proportional to 27,299.94, 40,942.53 and 11,713.92

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Solution

The fourth proportional to 27,299.94, 40,942.53 and 11,713.92 is: 17,567.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,299.94 : 40,942.53 = 11,713.92 : x
  2. Step 2: Convert to fraction form
    27,299.94/40,942.53 = 11,713.92/x
  3. Step 3: Cross multiply
    27,299.94x = 40,942.53 × 11,713.92
  4. Step 4: Simplify right side
    27,299.94x = 479,597,521.02
  5. Step 5: Solve for x
    x = 479,597,521.02/27,299.94
  6. Step 6: Final answer
    x = 17,567.71

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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.