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Finding the Fourth Proportional to 7,481.32, 10,321.32 and 4,293.46

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Solution

The fourth proportional to 7,481.32, 10,321.32 and 4,293.46 is: 5,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.32 : 10,321.32 = 4,293.46 : x
  2. Step 2: Convert to fraction form
    7,481.32/10,321.32 = 4,293.46/x
  3. Step 3: Cross multiply
    7,481.32x = 10,321.32 × 4,293.46
  4. Step 4: Simplify right side
    7,481.32x = 44,314,122.96
  5. Step 5: Solve for x
    x = 44,314,122.96/7,481.32
  6. Step 6: Final answer
    x = 5,923.31

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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.