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Finding the Fourth Proportional to 6,379.86, 9,566.19 and 1,996.14

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Solution

The fourth proportional to 6,379.86, 9,566.19 and 1,996.14 is: 2,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.86 : 9,566.19 = 1,996.14 : x
  2. Step 2: Convert to fraction form
    6,379.86/9,566.19 = 1,996.14/x
  3. Step 3: Cross multiply
    6,379.86x = 9,566.19 × 1,996.14
  4. Step 4: Simplify right side
    6,379.86x = 19,095,454.51
  5. Step 5: Solve for x
    x = 19,095,454.51/6,379.86
  6. Step 6: Final answer
    x = 2,993.08

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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.