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Finding the Fourth Proportional to 27,242.58, 40,863.90 and 11,649.27

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Solution

The fourth proportional to 27,242.58, 40,863.90 and 11,649.27 is: 17,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,242.58 : 40,863.90 = 11,649.27 : x
  2. Step 2: Convert to fraction form
    27,242.58/40,863.90 = 11,649.27/x
  3. Step 3: Cross multiply
    27,242.58x = 40,863.90 × 11,649.27
  4. Step 4: Simplify right side
    27,242.58x = 476,034,604.35
  5. Step 5: Solve for x
    x = 476,034,604.35/27,242.58
  6. Step 6: Final answer
    x = 17,473.92

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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.