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Finding the Fourth Proportional to 3,310.70, 4,961.07 and 2,998.14

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Solution

The fourth proportional to 3,310.70, 4,961.07 and 2,998.14 is: 4,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.70 : 4,961.07 = 2,998.14 : x
  2. Step 2: Convert to fraction form
    3,310.70/4,961.07 = 2,998.14/x
  3. Step 3: Cross multiply
    3,310.70x = 4,961.07 × 2,998.14
  4. Step 4: Simplify right side
    3,310.70x = 14,873,963.81
  5. Step 5: Solve for x
    x = 14,873,963.81/3,310.70
  6. Step 6: Final answer
    x = 4,492.70

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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.