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Finding the Fourth Proportional to 11,805.93, 17,711.52 and 3,910.93

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Solution

The fourth proportional to 11,805.93, 17,711.52 and 3,910.93 is: 5,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,805.93 : 17,711.52 = 3,910.93 : x
  2. Step 2: Convert to fraction form
    11,805.93/17,711.52 = 3,910.93/x
  3. Step 3: Cross multiply
    11,805.93x = 17,711.52 × 3,910.93
  4. Step 4: Simplify right side
    11,805.93x = 69,268,514.91
  5. Step 5: Solve for x
    x = 69,268,514.91/11,805.93
  6. Step 6: Final answer
    x = 5,867.26

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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.