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Finding the Fourth Proportional to 6,191.76, 9,286.21 and 3,693.66

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Solution

The fourth proportional to 6,191.76, 9,286.21 and 3,693.66 is: 5,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.76 : 9,286.21 = 3,693.66 : x
  2. Step 2: Convert to fraction form
    6,191.76/9,286.21 = 3,693.66/x
  3. Step 3: Cross multiply
    6,191.76x = 9,286.21 × 3,693.66
  4. Step 4: Simplify right side
    6,191.76x = 34,300,102.43
  5. Step 5: Solve for x
    x = 34,300,102.43/6,191.76
  6. Step 6: Final answer
    x = 5,539.64

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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.