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Finding the Fourth Proportional to 27,809.69, 41,700.69 and 17,292.92

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Solution

The fourth proportional to 27,809.69, 41,700.69 and 17,292.92 is: 25,930.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809.69 : 41,700.69 = 17,292.92 : x
  2. Step 2: Convert to fraction form
    27,809.69/41,700.69 = 17,292.92/x
  3. Step 3: Cross multiply
    27,809.69x = 41,700.69 × 17,292.92
  4. Step 4: Simplify right side
    27,809.69x = 721,126,487.61
  5. Step 5: Solve for x
    x = 721,126,487.61/27,809.69
  6. Step 6: Final answer
    x = 25,930.77

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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.