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Finding the Fourth Proportional to 27,293.68, 40,891.08 and 12,514.96

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Solution

The fourth proportional to 27,293.68, 40,891.08 and 12,514.96 is: 18,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,293.68 : 40,891.08 = 12,514.96 : x
  2. Step 2: Convert to fraction form
    27,293.68/40,891.08 = 12,514.96/x
  3. Step 3: Cross multiply
    27,293.68x = 40,891.08 × 12,514.96
  4. Step 4: Simplify right side
    27,293.68x = 511,750,230.56
  5. Step 5: Solve for x
    x = 511,750,230.56/27,293.68
  6. Step 6: Final answer
    x = 18,749.77

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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.