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Finding the Fourth Proportional to 27,661.22, 41,495.92 and 8,935.02

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Solution

The fourth proportional to 27,661.22, 41,495.92 and 8,935.02 is: 13,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,661.22 : 41,495.92 = 8,935.02 : x
  2. Step 2: Convert to fraction form
    27,661.22/41,495.92 = 8,935.02/x
  3. Step 3: Cross multiply
    27,661.22x = 41,495.92 × 8,935.02
  4. Step 4: Simplify right side
    27,661.22x = 370,766,875.12
  5. Step 5: Solve for x
    x = 370,766,875.12/27,661.22
  6. Step 6: Final answer
    x = 13,403.85

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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.