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Finding the Fourth Proportional to 8,257.77, 12,388.64 and 3,063.69

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Solution

The fourth proportional to 8,257.77, 12,388.64 and 3,063.69 is: 4,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.77 : 12,388.64 = 3,063.69 : x
  2. Step 2: Convert to fraction form
    8,257.77/12,388.64 = 3,063.69/x
  3. Step 3: Cross multiply
    8,257.77x = 12,388.64 × 3,063.69
  4. Step 4: Simplify right side
    8,257.77x = 37,954,937.16
  5. Step 5: Solve for x
    x = 37,954,937.16/8,257.77
  6. Step 6: Final answer
    x = 4,596.27

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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.