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Finding the Fourth Proportional to 57,427.92, 86,100.30 and 17,963.64

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Solution

The fourth proportional to 57,427.92, 86,100.30 and 17,963.64 is: 26,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,427.92 : 86,100.30 = 17,963.64 : x
  2. Step 2: Convert to fraction form
    57,427.92/86,100.30 = 17,963.64/x
  3. Step 3: Cross multiply
    57,427.92x = 86,100.30 × 17,963.64
  4. Step 4: Simplify right side
    57,427.92x = 1,546,674,793.09
  5. Step 5: Solve for x
    x = 1,546,674,793.09/57,427.92
  6. Step 6: Final answer
    x = 26,932.45

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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.