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Finding the Fourth Proportional to 17,855.56, 26,783.61 and 8,496.55

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Solution

The fourth proportional to 17,855.56, 26,783.61 and 8,496.55 is: 12,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.56 : 26,783.61 = 8,496.55 : x
  2. Step 2: Convert to fraction form
    17,855.56/26,783.61 = 8,496.55/x
  3. Step 3: Cross multiply
    17,855.56x = 26,783.61 × 8,496.55
  4. Step 4: Simplify right side
    17,855.56x = 227,568,281.55
  5. Step 5: Solve for x
    x = 227,568,281.55/17,855.56
  6. Step 6: Final answer
    x = 12,744.95

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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.