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Finding the Fourth Proportional to 6,841.80, 10,251.75 and 6,185.70

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Solution

The fourth proportional to 6,841.80, 10,251.75 and 6,185.70 is: 9,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,841.80 : 10,251.75 = 6,185.70 : x
  2. Step 2: Convert to fraction form
    6,841.80/10,251.75 = 6,185.70/x
  3. Step 3: Cross multiply
    6,841.80x = 10,251.75 × 6,185.70
  4. Step 4: Simplify right side
    6,841.80x = 63,414,249.98
  5. Step 5: Solve for x
    x = 63,414,249.98/6,841.80
  6. Step 6: Final answer
    x = 9,268.65

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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.