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Finding the Fourth Proportional to 8,636.98, 11,927.73 and 6,770.74

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Solution

The fourth proportional to 8,636.98, 11,927.73 and 6,770.74 is: 9,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.98 : 11,927.73 = 6,770.74 : x
  2. Step 2: Convert to fraction form
    8,636.98/11,927.73 = 6,770.74/x
  3. Step 3: Cross multiply
    8,636.98x = 11,927.73 × 6,770.74
  4. Step 4: Simplify right side
    8,636.98x = 80,759,558.62
  5. Step 5: Solve for x
    x = 80,759,558.62/8,636.98
  6. Step 6: Final answer
    x = 9,350.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.