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Finding the Fourth Proportional to 8,399.52, 12,596.22 and 3,133.26

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Solution

The fourth proportional to 8,399.52, 12,596.22 and 3,133.26 is: 4,698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.52 : 12,596.22 = 3,133.26 : x
  2. Step 2: Convert to fraction form
    8,399.52/12,596.22 = 3,133.26/x
  3. Step 3: Cross multiply
    8,399.52x = 12,596.22 × 3,133.26
  4. Step 4: Simplify right side
    8,399.52x = 39,467,232.28
  5. Step 5: Solve for x
    x = 39,467,232.28/8,399.52
  6. Step 6: Final answer
    x = 4,698.75

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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.