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Finding the Fourth Proportional to 27,659.62, 41,483.84 and 7,932.88

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Solution

The fourth proportional to 27,659.62, 41,483.84 and 7,932.88 is: 11,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,659.62 : 41,483.84 = 7,932.88 : x
  2. Step 2: Convert to fraction form
    27,659.62/41,483.84 = 7,932.88/x
  3. Step 3: Cross multiply
    27,659.62x = 41,483.84 × 7,932.88
  4. Step 4: Simplify right side
    27,659.62x = 329,086,324.66
  5. Step 5: Solve for x
    x = 329,086,324.66/27,659.62
  6. Step 6: Final answer
    x = 11,897.72

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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.