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Finding the Fourth Proportional to 6,321.02, 9,481.48 and 2,159.02

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Solution

The fourth proportional to 6,321.02, 9,481.48 and 2,159.02 is: 3,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.02 : 9,481.48 = 2,159.02 : x
  2. Step 2: Convert to fraction form
    6,321.02/9,481.48 = 2,159.02/x
  3. Step 3: Cross multiply
    6,321.02x = 9,481.48 × 2,159.02
  4. Step 4: Simplify right side
    6,321.02x = 20,470,704.95
  5. Step 5: Solve for x
    x = 20,470,704.95/6,321.02
  6. Step 6: Final answer
    x = 3,238.51

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Half scale
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Double scale
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Similar ratio
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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.