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Finding the Fourth Proportional to 12,168.87, 16,793.01 and 6,579.87

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Solution

The fourth proportional to 12,168.87, 16,793.01 and 6,579.87 is: 9,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168.87 : 16,793.01 = 6,579.87 : x
  2. Step 2: Convert to fraction form
    12,168.87/16,793.01 = 6,579.87/x
  3. Step 3: Cross multiply
    12,168.87x = 16,793.01 × 6,579.87
  4. Step 4: Simplify right side
    12,168.87x = 110,495,822.71
  5. Step 5: Solve for x
    x = 110,495,822.71/12,168.87
  6. Step 6: Final answer
    x = 9,080.20

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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.