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Finding the Fourth Proportional to 17,843.70, 26,777.88 and 6,156.96

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Solution

The fourth proportional to 17,843.70, 26,777.88 and 6,156.96 is: 9,239.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,843.70 : 26,777.88 = 6,156.96 : x
  2. Step 2: Convert to fraction form
    17,843.70/26,777.88 = 6,156.96/x
  3. Step 3: Cross multiply
    17,843.70x = 26,777.88 × 6,156.96
  4. Step 4: Simplify right side
    17,843.70x = 164,870,336.04
  5. Step 5: Solve for x
    x = 164,870,336.04/17,843.70
  6. Step 6: Final answer
    x = 9,239.69

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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.