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Finding the Fourth Proportional to 12,168.95, 16,793.15 and 6,579.95

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Solution

The fourth proportional to 12,168.95, 16,793.15 and 6,579.95 is: 9,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.95 : 16,793.15 = 6,579.95 : x
  2. Step 2: Convert to fraction form
    12,168.95/16,793.15 = 6,579.95/x
  3. Step 3: Cross multiply
    12,168.95x = 16,793.15 × 6,579.95
  4. Step 4: Simplify right side
    12,168.95x = 110,498,087.34
  5. Step 5: Solve for x
    x = 110,498,087.34/12,168.95
  6. Step 6: Final answer
    x = 9,080.33

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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.