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Finding the Fourth Proportional to 6,321.98, 9,482.96 and 1,641.60

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Solution

The fourth proportional to 6,321.98, 9,482.96 and 1,641.60 is: 2,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.98 : 9,482.96 = 1,641.60 : x
  2. Step 2: Convert to fraction form
    6,321.98/9,482.96 = 1,641.60/x
  3. Step 3: Cross multiply
    6,321.98x = 9,482.96 × 1,641.60
  4. Step 4: Simplify right side
    6,321.98x = 15,567,231.24
  5. Step 5: Solve for x
    x = 15,567,231.24/6,321.98
  6. Step 6: Final answer
    x = 2,462.40

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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.