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Finding the Fourth Proportional to 8,168.99, 12,257.54 and 3,238.52

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Solution

The fourth proportional to 8,168.99, 12,257.54 and 3,238.52 is: 4,859.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.99 : 12,257.54 = 3,238.52 : x
  2. Step 2: Convert to fraction form
    8,168.99/12,257.54 = 3,238.52/x
  3. Step 3: Cross multiply
    8,168.99x = 12,257.54 × 3,238.52
  4. Step 4: Simplify right side
    8,168.99x = 39,696,272.25
  5. Step 5: Solve for x
    x = 39,696,272.25/8,168.99
  6. Step 6: Final answer
    x = 4,859.39

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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.