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Finding the Fourth Proportional to 5,571.72, 8,357.84 and 3,104.68

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Solution

The fourth proportional to 5,571.72, 8,357.84 and 3,104.68 is: 4,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.72 : 8,357.84 = 3,104.68 : x
  2. Step 2: Convert to fraction form
    5,571.72/8,357.84 = 3,104.68/x
  3. Step 3: Cross multiply
    5,571.72x = 8,357.84 × 3,104.68
  4. Step 4: Simplify right side
    5,571.72x = 25,948,418.69
  5. Step 5: Solve for x
    x = 25,948,418.69/5,571.72
  6. Step 6: Final answer
    x = 4,657.16

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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.