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Finding the Fourth Proportional to 5,546.60, 8,321.10 and 1,651.40

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Solution

The fourth proportional to 5,546.60, 8,321.10 and 1,651.40 is: 2,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,546.60 : 8,321.10 = 1,651.40 : x
  2. Step 2: Convert to fraction form
    5,546.60/8,321.10 = 1,651.40/x
  3. Step 3: Cross multiply
    5,546.60x = 8,321.10 × 1,651.40
  4. Step 4: Simplify right side
    5,546.60x = 13,741,464.54
  5. Step 5: Solve for x
    x = 13,741,464.54/5,546.60
  6. Step 6: Final answer
    x = 2,477.46

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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.