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Finding the Fourth Proportional to 5,659.88, 8,491.91 and 5,204.75

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Solution

The fourth proportional to 5,659.88, 8,491.91 and 5,204.75 is: 7,809.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,659.88 : 8,491.91 = 5,204.75 : x
  2. Step 2: Convert to fraction form
    5,659.88/8,491.91 = 5,204.75/x
  3. Step 3: Cross multiply
    5,659.88x = 8,491.91 × 5,204.75
  4. Step 4: Simplify right side
    5,659.88x = 44,198,200.09
  5. Step 5: Solve for x
    x = 44,198,200.09/5,659.88
  6. Step 6: Final answer
    x = 7,809.04

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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.