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Finding the Fourth Proportional to 18,590.84, 27,896.49 and 8,060.94

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Solution

The fourth proportional to 18,590.84, 27,896.49 and 8,060.94 is: 12,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.84 : 27,896.49 = 8,060.94 : x
  2. Step 2: Convert to fraction form
    18,590.84/27,896.49 = 8,060.94/x
  3. Step 3: Cross multiply
    18,590.84x = 27,896.49 × 8,060.94
  4. Step 4: Simplify right side
    18,590.84x = 224,871,932.10
  5. Step 5: Solve for x
    x = 224,871,932.10/18,590.84
  6. Step 6: Final answer
    x = 12,095.85

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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.