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Finding the Fourth Proportional to 2,941.21, 4,411.34 and 966.83

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Solution

The fourth proportional to 2,941.21, 4,411.34 and 966.83 is: 1,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.21 : 4,411.34 = 966.83 : x
  2. Step 2: Convert to fraction form
    2,941.21/4,411.34 = 966.83/x
  3. Step 3: Cross multiply
    2,941.21x = 4,411.34 × 966.83
  4. Step 4: Simplify right side
    2,941.21x = 4,265,011.02
  5. Step 5: Solve for x
    x = 4,265,011.02/2,941.21
  6. Step 6: Final answer
    x = 1,450.09

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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.