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Finding the Fourth Proportional to 1,996.70, 2,994.44 and 956.16

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Solution

The fourth proportional to 1,996.70, 2,994.44 and 956.16 is: 1,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.70 : 2,994.44 = 956.16 : x
  2. Step 2: Convert to fraction form
    1,996.70/2,994.44 = 956.16/x
  3. Step 3: Cross multiply
    1,996.70x = 2,994.44 × 956.16
  4. Step 4: Simplify right side
    1,996.70x = 2,863,158.97
  5. Step 5: Solve for x
    x = 2,863,158.97/1,996.70
  6. Step 6: Final answer
    x = 1,433.95

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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.