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Finding the Fourth Proportional to 3,306.88, 4,961.08 and 966.92

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Solution

The fourth proportional to 3,306.88, 4,961.08 and 966.92 is: 1,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.88 : 4,961.08 = 966.92 : x
  2. Step 2: Convert to fraction form
    3,306.88/4,961.08 = 966.92/x
  3. Step 3: Cross multiply
    3,306.88x = 4,961.08 × 966.92
  4. Step 4: Simplify right side
    3,306.88x = 4,796,967.47
  5. Step 5: Solve for x
    x = 4,796,967.47/3,306.88
  6. Step 6: Final answer
    x = 1,450.60

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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.