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Finding the Fourth Proportional to 48,926.28, 73,398.42 and 20,846.28

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Solution

The fourth proportional to 48,926.28, 73,398.42 and 20,846.28 is: 31,273.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,926.28 : 73,398.42 = 20,846.28 : x
  2. Step 2: Convert to fraction form
    48,926.28/73,398.42 = 20,846.28/x
  3. Step 3: Cross multiply
    48,926.28x = 73,398.42 × 20,846.28
  4. Step 4: Simplify right side
    48,926.28x = 1,530,084,014.88
  5. Step 5: Solve for x
    x = 1,530,084,014.88/48,926.28
  6. Step 6: Final answer
    x = 31,273.25

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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.