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Finding the Fourth Proportional to 6,811.70, 10,212.15 and 3,733.70

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Solution

The fourth proportional to 6,811.70, 10,212.15 and 3,733.70 is: 5,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.70 : 10,212.15 = 3,733.70 : x
  2. Step 2: Convert to fraction form
    6,811.70/10,212.15 = 3,733.70/x
  3. Step 3: Cross multiply
    6,811.70x = 10,212.15 × 3,733.70
  4. Step 4: Simplify right side
    6,811.70x = 38,129,104.46
  5. Step 5: Solve for x
    x = 38,129,104.46/6,811.70
  6. Step 6: Final answer
    x = 5,597.59

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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.