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Finding the Fourth Proportional to 27,009.66, 40,514.49 and 7,288.22

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Solution

The fourth proportional to 27,009.66, 40,514.49 and 7,288.22 is: 10,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.66 : 40,514.49 = 7,288.22 : x
  2. Step 2: Convert to fraction form
    27,009.66/40,514.49 = 7,288.22/x
  3. Step 3: Cross multiply
    27,009.66x = 40,514.49 × 7,288.22
  4. Step 4: Simplify right side
    27,009.66x = 295,278,313.74
  5. Step 5: Solve for x
    x = 295,278,313.74/27,009.66
  6. Step 6: Final answer
    x = 10,932.32

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Similar ratio
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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.