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Finding the Fourth Proportional to 11,992.97, 16,550.42 and 6,888.42

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Solution

The fourth proportional to 11,992.97, 16,550.42 and 6,888.42 is: 9,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.97 : 16,550.42 = 6,888.42 : x
  2. Step 2: Convert to fraction form
    11,992.97/16,550.42 = 6,888.42/x
  3. Step 3: Cross multiply
    11,992.97x = 16,550.42 × 6,888.42
  4. Step 4: Simplify right side
    11,992.97x = 114,006,244.14
  5. Step 5: Solve for x
    x = 114,006,244.14/11,992.97
  6. Step 6: Final answer
    x = 9,506.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.