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Finding the Fourth Proportional to 58,843.92, 81,204.54 and 31,986.36

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Solution

The fourth proportional to 58,843.92, 81,204.54 and 31,986.36 is: 44,141.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,843.92 : 81,204.54 = 31,986.36 : x
  2. Step 2: Convert to fraction form
    58,843.92/81,204.54 = 31,986.36/x
  3. Step 3: Cross multiply
    58,843.92x = 81,204.54 × 31,986.36
  4. Step 4: Simplify right side
    58,843.92x = 2,597,437,650.07
  5. Step 5: Solve for x
    x = 2,597,437,650.07/58,843.92
  6. Step 6: Final answer
    x = 44,141.14

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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.