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Finding the Fourth Proportional to 5,796.20, 8,694.30 and 5,719.40

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Solution

The fourth proportional to 5,796.20, 8,694.30 and 5,719.40 is: 8,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,796.20 : 8,694.30 = 5,719.40 : x
  2. Step 2: Convert to fraction form
    5,796.20/8,694.30 = 5,719.40/x
  3. Step 3: Cross multiply
    5,796.20x = 8,694.30 × 5,719.40
  4. Step 4: Simplify right side
    5,796.20x = 49,726,179.42
  5. Step 5: Solve for x
    x = 49,726,179.42/5,796.20
  6. Step 6: Final answer
    x = 8,579.10

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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.