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Finding the Fourth Proportional to 26,601.21, 39,891.96 and 8,827.16

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Solution

The fourth proportional to 26,601.21, 39,891.96 and 8,827.16 is: 13,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,601.21 : 39,891.96 = 8,827.16 : x
  2. Step 2: Convert to fraction form
    26,601.21/39,891.96 = 8,827.16/x
  3. Step 3: Cross multiply
    26,601.21x = 39,891.96 × 8,827.16
  4. Step 4: Simplify right side
    26,601.21x = 352,132,514.17
  5. Step 5: Solve for x
    x = 352,132,514.17/26,601.21
  6. Step 6: Final answer
    x = 13,237.46

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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.