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Finding the Fourth Proportional to 7,659.92, 11,489.44 and 3,763.04

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Solution

The fourth proportional to 7,659.92, 11,489.44 and 3,763.04 is: 5,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.92 : 11,489.44 = 3,763.04 : x
  2. Step 2: Convert to fraction form
    7,659.92/11,489.44 = 3,763.04/x
  3. Step 3: Cross multiply
    7,659.92x = 11,489.44 × 3,763.04
  4. Step 4: Simplify right side
    7,659.92x = 43,235,222.30
  5. Step 5: Solve for x
    x = 43,235,222.30/7,659.92
  6. Step 6: Final answer
    x = 5,644.34

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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.