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Finding the Fourth Proportional to 6,693.56, 9,234.90 and 4,039.96

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Solution

The fourth proportional to 6,693.56, 9,234.90 and 4,039.96 is: 5,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.56 : 9,234.90 = 4,039.96 : x
  2. Step 2: Convert to fraction form
    6,693.56/9,234.90 = 4,039.96/x
  3. Step 3: Cross multiply
    6,693.56x = 9,234.90 × 4,039.96
  4. Step 4: Simplify right side
    6,693.56x = 37,308,626.60
  5. Step 5: Solve for x
    x = 37,308,626.60/6,693.56
  6. Step 6: Final answer
    x = 5,573.81

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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.