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Finding the Fourth Proportional to 18,046.92, 27,075.84 and 8,183.58

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Solution

The fourth proportional to 18,046.92, 27,075.84 and 8,183.58 is: 12,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,046.92 : 27,075.84 = 8,183.58 : x
  2. Step 2: Convert to fraction form
    18,046.92/27,075.84 = 8,183.58/x
  3. Step 3: Cross multiply
    18,046.92x = 27,075.84 × 8,183.58
  4. Step 4: Simplify right side
    18,046.92x = 221,577,302.71
  5. Step 5: Solve for x
    x = 221,577,302.71/18,046.92
  6. Step 6: Final answer
    x = 12,277.85

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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.