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Finding the Fourth Proportional to 5,659.70, 7,809.09 and 3,300.44

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Solution

The fourth proportional to 5,659.70, 7,809.09 and 3,300.44 is: 4,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.70 : 7,809.09 = 3,300.44 : x
  2. Step 2: Convert to fraction form
    5,659.70/7,809.09 = 3,300.44/x
  3. Step 3: Cross multiply
    5,659.70x = 7,809.09 × 3,300.44
  4. Step 4: Simplify right side
    5,659.70x = 25,773,433.00
  5. Step 5: Solve for x
    x = 25,773,433.00/5,659.70
  6. Step 6: Final answer
    x = 4,553.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.