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Finding the Fourth Proportional to 18,026.83, 27,043.32 and 8,035.20

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Solution

The fourth proportional to 18,026.83, 27,043.32 and 8,035.20 is: 12,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.83 : 27,043.32 = 8,035.20 : x
  2. Step 2: Convert to fraction form
    18,026.83/27,043.32 = 8,035.20/x
  3. Step 3: Cross multiply
    18,026.83x = 27,043.32 × 8,035.20
  4. Step 4: Simplify right side
    18,026.83x = 217,298,469.80
  5. Step 5: Solve for x
    x = 217,298,469.80/18,026.83
  6. Step 6: Final answer
    x = 12,054.17

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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.