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Finding the Fourth Proportional to 8,599.80, 11,872.64 and 6,579.48

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Solution

The fourth proportional to 8,599.80, 11,872.64 and 6,579.48 is: 9,083.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.80 : 11,872.64 = 6,579.48 : x
  2. Step 2: Convert to fraction form
    8,599.80/11,872.64 = 6,579.48/x
  3. Step 3: Cross multiply
    8,599.80x = 11,872.64 × 6,579.48
  4. Step 4: Simplify right side
    8,599.80x = 78,115,797.43
  5. Step 5: Solve for x
    x = 78,115,797.43/8,599.80
  6. Step 6: Final answer
    x = 9,083.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.