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Finding the Fourth Proportional to 11,995.17, 17,992.79 and 4,601.89

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Solution

The fourth proportional to 11,995.17, 17,992.79 and 4,601.89 is: 6,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.17 : 17,992.79 = 4,601.89 : x
  2. Step 2: Convert to fraction form
    11,995.17/17,992.79 = 4,601.89/x
  3. Step 3: Cross multiply
    11,995.17x = 17,992.79 × 4,601.89
  4. Step 4: Simplify right side
    11,995.17x = 82,800,840.37
  5. Step 5: Solve for x
    x = 82,800,840.37/11,995.17
  6. Step 6: Final answer
    x = 6,902.85

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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.