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Finding the Fourth Proportional to 52,321.97, 72,202.73 and 29,663.03

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Solution

The fourth proportional to 52,321.97, 72,202.73 and 29,663.03 is: 40,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,321.97 : 72,202.73 = 29,663.03 : x
  2. Step 2: Convert to fraction form
    52,321.97/72,202.73 = 29,663.03/x
  3. Step 3: Cross multiply
    52,321.97x = 72,202.73 × 29,663.03
  4. Step 4: Simplify right side
    52,321.97x = 2,141,751,236.74
  5. Step 5: Solve for x
    x = 2,141,751,236.74/52,321.97
  6. Step 6: Final answer
    x = 40,934.07

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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.