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Finding the Fourth Proportional to 11,782.91, 17,673.45 and 6,849.41

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Solution

The fourth proportional to 11,782.91, 17,673.45 and 6,849.41 is: 10,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.91 : 17,673.45 = 6,849.41 : x
  2. Step 2: Convert to fraction form
    11,782.91/17,673.45 = 6,849.41/x
  3. Step 3: Cross multiply
    11,782.91x = 17,673.45 × 6,849.41
  4. Step 4: Simplify right side
    11,782.91x = 121,052,616.80
  5. Step 5: Solve for x
    x = 121,052,616.80/11,782.91
  6. Step 6: Final answer
    x = 10,273.57

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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.