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Finding the Fourth Proportional to 3,908.92, 5,856.02 and 1,932.24

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Solution

The fourth proportional to 3,908.92, 5,856.02 and 1,932.24 is: 2,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.92 : 5,856.02 = 1,932.24 : x
  2. Step 2: Convert to fraction form
    3,908.92/5,856.02 = 1,932.24/x
  3. Step 3: Cross multiply
    3,908.92x = 5,856.02 × 1,932.24
  4. Step 4: Simplify right side
    3,908.92x = 11,315,236.08
  5. Step 5: Solve for x
    x = 11,315,236.08/3,908.92
  6. Step 6: Final answer
    x = 2,894.72

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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.