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Finding the Fourth Proportional to 27,489.98, 41,214.79 and 8,759.24

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Solution

The fourth proportional to 27,489.98, 41,214.79 and 8,759.24 is: 13,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,489.98 : 41,214.79 = 8,759.24 : x
  2. Step 2: Convert to fraction form
    27,489.98/41,214.79 = 8,759.24/x
  3. Step 3: Cross multiply
    27,489.98x = 41,214.79 × 8,759.24
  4. Step 4: Simplify right side
    27,489.98x = 361,010,196.59
  5. Step 5: Solve for x
    x = 361,010,196.59/27,489.98
  6. Step 6: Final answer
    x = 13,132.43

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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.