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Finding the Fourth Proportional to 11,992.92, 17,991.81 and 4,597.62

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Solution

The fourth proportional to 11,992.92, 17,991.81 and 4,597.62 is: 6,897.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,992.92 : 17,991.81 = 4,597.62 : x
  2. Step 2: Convert to fraction form
    11,992.92/17,991.81 = 4,597.62/x
  3. Step 3: Cross multiply
    11,992.92x = 17,991.81 × 4,597.62
  4. Step 4: Simplify right side
    11,992.92x = 82,719,505.49
  5. Step 5: Solve for x
    x = 82,719,505.49/11,992.92
  6. Step 6: Final answer
    x = 6,897.36

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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.