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Finding the Fourth Proportional to 57,342.92, 86,014.38 and 17,903.41

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Solution

The fourth proportional to 57,342.92, 86,014.38 and 17,903.41 is: 26,855.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,342.92 : 86,014.38 = 17,903.41 : x
  2. Step 2: Convert to fraction form
    57,342.92/86,014.38 = 17,903.41/x
  3. Step 3: Cross multiply
    57,342.92x = 86,014.38 × 17,903.41
  4. Step 4: Simplify right side
    57,342.92x = 1,539,950,996.62
  5. Step 5: Solve for x
    x = 1,539,950,996.62/57,342.92
  6. Step 6: Final answer
    x = 26,855.12

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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.