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Finding the Fourth Proportional to 57,633.48, 86,335.20 and 27,961.29

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Solution

The fourth proportional to 57,633.48, 86,335.20 and 27,961.29 is: 41,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,633.48 : 86,335.20 = 27,961.29 : x
  2. Step 2: Convert to fraction form
    57,633.48/86,335.20 = 27,961.29/x
  3. Step 3: Cross multiply
    57,633.48x = 86,335.20 × 27,961.29
  4. Step 4: Simplify right side
    57,633.48x = 2,414,043,564.41
  5. Step 5: Solve for x
    x = 2,414,043,564.41/57,633.48
  6. Step 6: Final answer
    x = 41,886.13

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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.