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Finding the Fourth Proportional to 27,661.74, 41,486.49 and 11,018.70

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Solution

The fourth proportional to 27,661.74, 41,486.49 and 11,018.70 is: 16,525.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,661.74 : 41,486.49 = 11,018.70 : x
  2. Step 2: Convert to fraction form
    27,661.74/41,486.49 = 11,018.70/x
  3. Step 3: Cross multiply
    27,661.74x = 41,486.49 × 11,018.70
  4. Step 4: Simplify right side
    27,661.74x = 457,127,187.36
  5. Step 5: Solve for x
    x = 457,127,187.36/27,661.74
  6. Step 6: Final answer
    x = 16,525.61

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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.