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Finding the Fourth Proportional to 8,449.80, 12,674.52 and 2,293.80

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Solution

The fourth proportional to 8,449.80, 12,674.52 and 2,293.80 is: 3,440.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.80 : 12,674.52 = 2,293.80 : x
  2. Step 2: Convert to fraction form
    8,449.80/12,674.52 = 2,293.80/x
  3. Step 3: Cross multiply
    8,449.80x = 12,674.52 × 2,293.80
  4. Step 4: Simplify right side
    8,449.80x = 29,072,813.98
  5. Step 5: Solve for x
    x = 29,072,813.98/8,449.80
  6. Step 6: Final answer
    x = 3,440.65

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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.