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Finding the Fourth Proportional to 27,449.69, 41,174.54 and 12,654.25

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Solution

The fourth proportional to 27,449.69, 41,174.54 and 12,654.25 is: 18,981.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,449.69 : 41,174.54 = 12,654.25 : x
  2. Step 2: Convert to fraction form
    27,449.69/41,174.54 = 12,654.25/x
  3. Step 3: Cross multiply
    27,449.69x = 41,174.54 × 12,654.25
  4. Step 4: Simplify right side
    27,449.69x = 521,032,859.52
  5. Step 5: Solve for x
    x = 521,032,859.52/27,449.69
  6. Step 6: Final answer
    x = 18,981.38

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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.