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Finding the Fourth Proportional to 3,800.96, 5,700.63 and 2,922.92

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Solution

The fourth proportional to 3,800.96, 5,700.63 and 2,922.92 is: 4,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.96 : 5,700.63 = 2,922.92 : x
  2. Step 2: Convert to fraction form
    3,800.96/5,700.63 = 2,922.92/x
  3. Step 3: Cross multiply
    3,800.96x = 5,700.63 × 2,922.92
  4. Step 4: Simplify right side
    3,800.96x = 16,662,485.44
  5. Step 5: Solve for x
    x = 16,662,485.44/3,800.96
  6. Step 6: Final answer
    x = 4,383.76

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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.