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Finding the Fourth Proportional to 3,833.92, 5,751.96 and 1,236.88

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Solution

The fourth proportional to 3,833.92, 5,751.96 and 1,236.88 is: 1,855.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.92 : 5,751.96 = 1,236.88 : x
  2. Step 2: Convert to fraction form
    3,833.92/5,751.96 = 1,236.88/x
  3. Step 3: Cross multiply
    3,833.92x = 5,751.96 × 1,236.88
  4. Step 4: Simplify right side
    3,833.92x = 7,114,484.28
  5. Step 5: Solve for x
    x = 7,114,484.28/3,833.92
  6. Step 6: Final answer
    x = 1,855.67

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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.