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Finding the Fourth Proportional to 3,899.92, 5,850.60 and 2,440.84

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Solution

The fourth proportional to 3,899.92, 5,850.60 and 2,440.84 is: 3,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.92 : 5,850.60 = 2,440.84 : x
  2. Step 2: Convert to fraction form
    3,899.92/5,850.60 = 2,440.84/x
  3. Step 3: Cross multiply
    3,899.92x = 5,850.60 × 2,440.84
  4. Step 4: Simplify right side
    3,899.92x = 14,280,378.50
  5. Step 5: Solve for x
    x = 14,280,378.50/3,899.92
  6. Step 6: Final answer
    x = 3,661.71

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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.