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Finding the Fourth Proportional to 12,168.94, 16,793.14 and 6,579.94

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Solution

The fourth proportional to 12,168.94, 16,793.14 and 6,579.94 is: 9,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.94 : 16,793.14 = 6,579.94 : x
  2. Step 2: Convert to fraction form
    12,168.94/16,793.14 = 6,579.94/x
  3. Step 3: Cross multiply
    12,168.94x = 16,793.14 × 6,579.94
  4. Step 4: Simplify right side
    12,168.94x = 110,497,795.18
  5. Step 5: Solve for x
    x = 110,497,795.18/12,168.94
  6. Step 6: Final answer
    x = 9,080.32

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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.