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Finding the Fourth Proportional to 6,941.09, 9,578.35 and 3,796.67

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Solution

The fourth proportional to 6,941.09, 9,578.35 and 3,796.67 is: 5,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,941.09 : 9,578.35 = 3,796.67 : x
  2. Step 2: Convert to fraction form
    6,941.09/9,578.35 = 3,796.67/x
  3. Step 3: Cross multiply
    6,941.09x = 9,578.35 × 3,796.67
  4. Step 4: Simplify right side
    6,941.09x = 36,365,862.79
  5. Step 5: Solve for x
    x = 36,365,862.79/6,941.09
  6. Step 6: Final answer
    x = 5,239.21

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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.