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Finding the Fourth Proportional to 8,153.77, 12,230.64 and 3,224.59

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Solution

The fourth proportional to 8,153.77, 12,230.64 and 3,224.59 is: 4,836.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.77 : 12,230.64 = 3,224.59 : x
  2. Step 2: Convert to fraction form
    8,153.77/12,230.64 = 3,224.59/x
  3. Step 3: Cross multiply
    8,153.77x = 12,230.64 × 3,224.59
  4. Step 4: Simplify right side
    8,153.77x = 39,438,799.44
  5. Step 5: Solve for x
    x = 39,438,799.44/8,153.77
  6. Step 6: Final answer
    x = 4,836.88

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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.