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Finding the Fourth Proportional to 57,952.02, 86,959.62 and 38,239.86

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Solution

The fourth proportional to 57,952.02, 86,959.62 and 38,239.86 is: 57,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,952.02 : 86,959.62 = 38,239.86 : x
  2. Step 2: Convert to fraction form
    57,952.02/86,959.62 = 38,239.86/x
  3. Step 3: Cross multiply
    57,952.02x = 86,959.62 × 38,239.86
  4. Step 4: Simplify right side
    57,952.02x = 3,325,323,694.45
  5. Step 5: Solve for x
    x = 3,325,323,694.45/57,952.02
  6. Step 6: Final answer
    x = 57,380.63

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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.