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Finding the Fourth Proportional to 58,794.35, 81,136.35 and 31,936.64

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Solution

The fourth proportional to 58,794.35, 81,136.35 and 31,936.64 is: 44,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,794.35 : 81,136.35 = 31,936.64 : x
  2. Step 2: Convert to fraction form
    58,794.35/81,136.35 = 31,936.64/x
  3. Step 3: Cross multiply
    58,794.35x = 81,136.35 × 31,936.64
  4. Step 4: Simplify right side
    58,794.35x = 2,591,221,995.18
  5. Step 5: Solve for x
    x = 2,591,221,995.18/58,794.35
  6. Step 6: Final answer
    x = 44,072.64

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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.