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Finding the Fourth Proportional to 50,961.59, 76,472.44 and 19,398.21

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Solution

The fourth proportional to 50,961.59, 76,472.44 and 19,398.21 is: 29,108.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,961.59 : 76,472.44 = 19,398.21 : x
  2. Step 2: Convert to fraction form
    50,961.59/76,472.44 = 19,398.21/x
  3. Step 3: Cross multiply
    50,961.59x = 76,472.44 × 19,398.21
  4. Step 4: Simplify right side
    50,961.59x = 1,483,427,970.98
  5. Step 5: Solve for x
    x = 1,483,427,970.98/50,961.59
  6. Step 6: Final answer
    x = 29,108.75

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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.