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Finding the Fourth Proportional to 27,584.86, 38,067.84 and 15,649.99

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Solution

The fourth proportional to 27,584.86, 38,067.84 and 15,649.99 is: 21,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,584.86 : 38,067.84 = 15,649.99 : x
  2. Step 2: Convert to fraction form
    27,584.86/38,067.84 = 15,649.99/x
  3. Step 3: Cross multiply
    27,584.86x = 38,067.84 × 15,649.99
  4. Step 4: Simplify right side
    27,584.86x = 595,761,124.98
  5. Step 5: Solve for x
    x = 595,761,124.98/27,584.86
  6. Step 6: Final answer
    x = 21,597.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.