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Finding the Fourth Proportional to 18,562.77, 27,819.52 and 16,085.99

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Solution

The fourth proportional to 18,562.77, 27,819.52 and 16,085.99 is: 24,107.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.77 : 27,819.52 = 16,085.99 : x
  2. Step 2: Convert to fraction form
    18,562.77/27,819.52 = 16,085.99/x
  3. Step 3: Cross multiply
    18,562.77x = 27,819.52 × 16,085.99
  4. Step 4: Simplify right side
    18,562.77x = 447,504,549.86
  5. Step 5: Solve for x
    x = 447,504,549.86/18,562.77
  6. Step 6: Final answer
    x = 24,107.64

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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.