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Finding the Fourth Proportional to 3,380.99, 5,068.06 and 1,623.42

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Solution

The fourth proportional to 3,380.99, 5,068.06 and 1,623.42 is: 2,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.99 : 5,068.06 = 1,623.42 : x
  2. Step 2: Convert to fraction form
    3,380.99/5,068.06 = 1,623.42/x
  3. Step 3: Cross multiply
    3,380.99x = 5,068.06 × 1,623.42
  4. Step 4: Simplify right side
    3,380.99x = 8,227,585.91
  5. Step 5: Solve for x
    x = 8,227,585.91/3,380.99
  6. Step 6: Final answer
    x = 2,433.49

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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.