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Finding the Fourth Proportional to 11,990.92, 17,974.08 and 4,593.48

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Solution

The fourth proportional to 11,990.92, 17,974.08 and 4,593.48 is: 6,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.92 : 17,974.08 = 4,593.48 : x
  2. Step 2: Convert to fraction form
    11,990.92/17,974.08 = 4,593.48/x
  3. Step 3: Cross multiply
    11,990.92x = 17,974.08 × 4,593.48
  4. Step 4: Simplify right side
    11,990.92x = 82,563,577.00
  5. Step 5: Solve for x
    x = 82,563,577.00/11,990.92
  6. Step 6: Final answer
    x = 6,885.51

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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.