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Finding the Fourth Proportional to 2,679.04, 4,018.92 and 2,517.04

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Solution

The fourth proportional to 2,679.04, 4,018.92 and 2,517.04 is: 3,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.04 : 4,018.92 = 2,517.04 : x
  2. Step 2: Convert to fraction form
    2,679.04/4,018.92 = 2,517.04/x
  3. Step 3: Cross multiply
    2,679.04x = 4,018.92 × 2,517.04
  4. Step 4: Simplify right side
    2,679.04x = 10,115,782.40
  5. Step 5: Solve for x
    x = 10,115,782.40/2,679.04
  6. Step 6: Final answer
    x = 3,775.90

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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.