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Finding the Fourth Proportional to 2,414.70, 3,623.31 and 953.85

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Solution

The fourth proportional to 2,414.70, 3,623.31 and 953.85 is: 1,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414.70 : 3,623.31 = 953.85 : x
  2. Step 2: Convert to fraction form
    2,414.70/3,623.31 = 953.85/x
  3. Step 3: Cross multiply
    2,414.70x = 3,623.31 × 953.85
  4. Step 4: Simplify right side
    2,414.70x = 3,456,094.24
  5. Step 5: Solve for x
    x = 3,456,094.24/2,414.70
  6. Step 6: Final answer
    x = 1,431.27

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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.