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Finding the Fourth Proportional to 18,596.41, 27,894.84 and 5,449.05

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Solution

The fourth proportional to 18,596.41, 27,894.84 and 5,449.05 is: 8,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.41 : 27,894.84 = 5,449.05 : x
  2. Step 2: Convert to fraction form
    18,596.41/27,894.84 = 5,449.05/x
  3. Step 3: Cross multiply
    18,596.41x = 27,894.84 × 5,449.05
  4. Step 4: Simplify right side
    18,596.41x = 152,000,238.43
  5. Step 5: Solve for x
    x = 152,000,238.43/18,596.41
  6. Step 6: Final answer
    x = 8,173.64

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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.