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Finding the Fourth Proportional to 27,249.92, 40,886.40 and 11,674.88

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Solution

The fourth proportional to 27,249.92, 40,886.40 and 11,674.88 is: 17,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,249.92 : 40,886.40 = 11,674.88 : x
  2. Step 2: Convert to fraction form
    27,249.92/40,886.40 = 11,674.88/x
  3. Step 3: Cross multiply
    27,249.92x = 40,886.40 × 11,674.88
  4. Step 4: Simplify right side
    27,249.92x = 477,343,813.63
  5. Step 5: Solve for x
    x = 477,343,813.63/27,249.92
  6. Step 6: Final answer
    x = 17,517.26

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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.