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Finding the Fourth Proportional to 3,647.92, 5,473.67 and 2,260.89

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Solution

The fourth proportional to 3,647.92, 5,473.67 and 2,260.89 is: 3,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.92 : 5,473.67 = 2,260.89 : x
  2. Step 2: Convert to fraction form
    3,647.92/5,473.67 = 2,260.89/x
  3. Step 3: Cross multiply
    3,647.92x = 5,473.67 × 2,260.89
  4. Step 4: Simplify right side
    3,647.92x = 12,375,327.09
  5. Step 5: Solve for x
    x = 12,375,327.09/3,647.92
  6. Step 6: Final answer
    x = 3,392.43

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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.