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Finding the Fourth Proportional to 2,961.08, 4,441.94 and 908.92

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Solution

The fourth proportional to 2,961.08, 4,441.94 and 908.92 is: 1,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.08 : 4,441.94 = 908.92 : x
  2. Step 2: Convert to fraction form
    2,961.08/4,441.94 = 908.92/x
  3. Step 3: Cross multiply
    2,961.08x = 4,441.94 × 908.92
  4. Step 4: Simplify right side
    2,961.08x = 4,037,368.10
  5. Step 5: Solve for x
    x = 4,037,368.10/2,961.08
  6. Step 6: Final answer
    x = 1,363.48

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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.