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Finding the Fourth Proportional to 29,893.92, 41,270.48 and 19,835.88

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Solution

The fourth proportional to 29,893.92, 41,270.48 and 19,835.88 is: 27,384.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,893.92 : 41,270.48 = 19,835.88 : x
  2. Step 2: Convert to fraction form
    29,893.92/41,270.48 = 19,835.88/x
  3. Step 3: Cross multiply
    29,893.92x = 41,270.48 × 19,835.88
  4. Step 4: Simplify right side
    29,893.92x = 818,636,288.82
  5. Step 5: Solve for x
    x = 818,636,288.82/29,893.92
  6. Step 6: Final answer
    x = 27,384.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.