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Finding the Fourth Proportional to 53,999.76, 81,035.79 and 22,409.85

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Solution

The fourth proportional to 53,999.76, 81,035.79 and 22,409.85 is: 33,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,999.76 : 81,035.79 = 22,409.85 : x
  2. Step 2: Convert to fraction form
    53,999.76/81,035.79 = 22,409.85/x
  3. Step 3: Cross multiply
    53,999.76x = 81,035.79 × 22,409.85
  4. Step 4: Simplify right side
    53,999.76x = 1,815,999,898.53
  5. Step 5: Solve for x
    x = 1,815,999,898.53/53,999.76
  6. Step 6: Final answer
    x = 33,629.78

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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.