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Finding the Fourth Proportional to 3,305.67, 4,958.46 and 997.17

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Solution

The fourth proportional to 3,305.67, 4,958.46 and 997.17 is: 1,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.67 : 4,958.46 = 997.17 : x
  2. Step 2: Convert to fraction form
    3,305.67/4,958.46 = 997.17/x
  3. Step 3: Cross multiply
    3,305.67x = 4,958.46 × 997.17
  4. Step 4: Simplify right side
    3,305.67x = 4,944,427.56
  5. Step 5: Solve for x
    x = 4,944,427.56/3,305.67
  6. Step 6: Final answer
    x = 1,495.74

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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.