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Finding the Fourth Proportional to 3,305.44, 4,957.35 and 965.44

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Solution

The fourth proportional to 3,305.44, 4,957.35 and 965.44 is: 1,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.44 : 4,957.35 = 965.44 : x
  2. Step 2: Convert to fraction form
    3,305.44/4,957.35 = 965.44/x
  3. Step 3: Cross multiply
    3,305.44x = 4,957.35 × 965.44
  4. Step 4: Simplify right side
    3,305.44x = 4,786,023.98
  5. Step 5: Solve for x
    x = 4,786,023.98/3,305.44
  6. Step 6: Final answer
    x = 1,447.92

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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.