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Finding the Fourth Proportional to 17,873.69, 26,776.69 and 11,932.66

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Solution

The fourth proportional to 17,873.69, 26,776.69 and 11,932.66 is: 17,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,873.69 : 26,776.69 = 11,932.66 : x
  2. Step 2: Convert to fraction form
    17,873.69/26,776.69 = 11,932.66/x
  3. Step 3: Cross multiply
    17,873.69x = 26,776.69 × 11,932.66
  4. Step 4: Simplify right side
    17,873.69x = 319,517,137.70
  5. Step 5: Solve for x
    x = 319,517,137.70/17,873.69
  6. Step 6: Final answer
    x = 17,876.39

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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.