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Finding the Fourth Proportional to 18,007.01, 26,997.60 and 8,514.06

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Solution

The fourth proportional to 18,007.01, 26,997.60 and 8,514.06 is: 12,764.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,007.01 : 26,997.60 = 8,514.06 : x
  2. Step 2: Convert to fraction form
    18,007.01/26,997.60 = 8,514.06/x
  3. Step 3: Cross multiply
    18,007.01x = 26,997.60 × 8,514.06
  4. Step 4: Simplify right side
    18,007.01x = 229,859,268.80
  5. Step 5: Solve for x
    x = 229,859,268.80/18,007.01
  6. Step 6: Final answer
    x = 12,764.99

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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.