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Finding the Fourth Proportional to 18,026.43, 27,042.77 and 8,034.72

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Solution

The fourth proportional to 18,026.43, 27,042.77 and 8,034.72 is: 12,053.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.43 : 27,042.77 = 8,034.72 : x
  2. Step 2: Convert to fraction form
    18,026.43/27,042.77 = 8,034.72/x
  3. Step 3: Cross multiply
    18,026.43x = 27,042.77 × 8,034.72
  4. Step 4: Simplify right side
    18,026.43x = 217,281,044.80
  5. Step 5: Solve for x
    x = 217,281,044.80/18,026.43
  6. Step 6: Final answer
    x = 12,053.47

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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.