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Finding the Fourth Proportional to 27,371.69, 41,053.98 and 8,653.61

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Solution

The fourth proportional to 27,371.69, 41,053.98 and 8,653.61 is: 12,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,371.69 : 41,053.98 = 8,653.61 : x
  2. Step 2: Convert to fraction form
    27,371.69/41,053.98 = 8,653.61/x
  3. Step 3: Cross multiply
    27,371.69x = 41,053.98 × 8,653.61
  4. Step 4: Simplify right side
    27,371.69x = 355,264,926.60
  5. Step 5: Solve for x
    x = 355,264,926.60/27,371.69
  6. Step 6: Final answer
    x = 12,979.29

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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.