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Finding the Fourth Proportional to 2,914.96, 4,372.45 and 966.71

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Solution

The fourth proportional to 2,914.96, 4,372.45 and 966.71 is: 1,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.96 : 4,372.45 = 966.71 : x
  2. Step 2: Convert to fraction form
    2,914.96/4,372.45 = 966.71/x
  3. Step 3: Cross multiply
    2,914.96x = 4,372.45 × 966.71
  4. Step 4: Simplify right side
    2,914.96x = 4,226,891.14
  5. Step 5: Solve for x
    x = 4,226,891.14/2,914.96
  6. Step 6: Final answer
    x = 1,450.07

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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.