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Finding the Fourth Proportional to 58,786.52, 81,135.72 and 33,294.29

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Solution

The fourth proportional to 58,786.52, 81,135.72 and 33,294.29 is: 45,951.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,786.52 : 81,135.72 = 33,294.29 : x
  2. Step 2: Convert to fraction form
    58,786.52/81,135.72 = 33,294.29/x
  3. Step 3: Cross multiply
    58,786.52x = 81,135.72 × 33,294.29
  4. Step 4: Simplify right side
    58,786.52x = 2,701,355,785.36
  5. Step 5: Solve for x
    x = 2,701,355,785.36/58,786.52
  6. Step 6: Final answer
    x = 45,951.96

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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.