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Finding the Fourth Proportional to 58,786.73, 81,134.85 and 33,294.41

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Solution

The fourth proportional to 58,786.73, 81,134.85 and 33,294.41 is: 45,951.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,786.73 : 81,134.85 = 33,294.41 : x
  2. Step 2: Convert to fraction form
    58,786.73/81,134.85 = 33,294.41/x
  3. Step 3: Cross multiply
    58,786.73x = 81,134.85 × 33,294.41
  4. Step 4: Simplify right side
    58,786.73x = 2,701,336,555.51
  5. Step 5: Solve for x
    x = 2,701,336,555.51/58,786.73
  6. Step 6: Final answer
    x = 45,951.47

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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.