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Finding the Fourth Proportional to 57,735.68, 86,608 and 18,295.04

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Solution

The fourth proportional to 57,735.68, 86,608 and 18,295.04 is: 27,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,735.68 : 86,608 = 18,295.04 : x
  2. Step 2: Convert to fraction form
    57,735.68/86,608 = 18,295.04/x
  3. Step 3: Cross multiply
    57,735.68x = 86,608 × 18,295.04
  4. Step 4: Simplify right side
    57,735.68x = 1,584,496,824.32
  5. Step 5: Solve for x
    x = 1,584,496,824.32/57,735.68
  6. Step 6: Final answer
    x = 27,443.98

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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.