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Finding the Fourth Proportional to 6,321.54, 9,482.48 and 1,641.44

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Solution

The fourth proportional to 6,321.54, 9,482.48 and 1,641.44 is: 2,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.54 : 9,482.48 = 1,641.44 : x
  2. Step 2: Convert to fraction form
    6,321.54/9,482.48 = 1,641.44/x
  3. Step 3: Cross multiply
    6,321.54x = 9,482.48 × 1,641.44
  4. Step 4: Simplify right side
    6,321.54x = 15,564,912.34
  5. Step 5: Solve for x
    x = 15,564,912.34/6,321.54
  6. Step 6: Final answer
    x = 2,462.20

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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.