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Finding the Fourth Proportional to 17,855.95, 26,784.13 and 6,166.44

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Solution

The fourth proportional to 17,855.95, 26,784.13 and 6,166.44 is: 9,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.95 : 26,784.13 = 6,166.44 : x
  2. Step 2: Convert to fraction form
    17,855.95/26,784.13 = 6,166.44/x
  3. Step 3: Cross multiply
    17,855.95x = 26,784.13 × 6,166.44
  4. Step 4: Simplify right side
    17,855.95x = 165,162,730.60
  5. Step 5: Solve for x
    x = 165,162,730.60/17,855.95
  6. Step 6: Final answer
    x = 9,249.73

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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.