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Finding the Fourth Proportional to 5,906.20, 8,859.30 and 5,104.30

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Solution

The fourth proportional to 5,906.20, 8,859.30 and 5,104.30 is: 7,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.20 : 8,859.30 = 5,104.30 : x
  2. Step 2: Convert to fraction form
    5,906.20/8,859.30 = 5,104.30/x
  3. Step 3: Cross multiply
    5,906.20x = 8,859.30 × 5,104.30
  4. Step 4: Simplify right side
    5,906.20x = 45,220,524.99
  5. Step 5: Solve for x
    x = 45,220,524.99/5,906.20
  6. Step 6: Final answer
    x = 7,656.45

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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.