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Finding the Fourth Proportional to 5,659.80, 7,808.77 and 3,300.27

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Solution

The fourth proportional to 5,659.80, 7,808.77 and 3,300.27 is: 4,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.80 : 7,808.77 = 3,300.27 : x
  2. Step 2: Convert to fraction form
    5,659.80/7,808.77 = 3,300.27/x
  3. Step 3: Cross multiply
    5,659.80x = 7,808.77 × 3,300.27
  4. Step 4: Simplify right side
    5,659.80x = 25,771,049.37
  5. Step 5: Solve for x
    x = 25,771,049.37/5,659.80
  6. Step 6: Final answer
    x = 4,553.35

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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.