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Finding the Fourth Proportional to 27,295.52, 40,943.79 and 8,575.21

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Solution

The fourth proportional to 27,295.52, 40,943.79 and 8,575.21 is: 12,862.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,295.52 : 40,943.79 = 8,575.21 : x
  2. Step 2: Convert to fraction form
    27,295.52/40,943.79 = 8,575.21/x
  3. Step 3: Cross multiply
    27,295.52x = 40,943.79 × 8,575.21
  4. Step 4: Simplify right side
    27,295.52x = 351,101,495.09
  5. Step 5: Solve for x
    x = 351,101,495.09/27,295.52
  6. Step 6: Final answer
    x = 12,862.97

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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.