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Finding the Fourth Proportional to 62,946.73, 86,878.13 and 36,089.43

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Solution

The fourth proportional to 62,946.73, 86,878.13 and 36,089.43 is: 49,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,946.73 : 86,878.13 = 36,089.43 : x
  2. Step 2: Convert to fraction form
    62,946.73/86,878.13 = 36,089.43/x
  3. Step 3: Cross multiply
    62,946.73x = 86,878.13 × 36,089.43
  4. Step 4: Simplify right side
    62,946.73x = 3,135,382,191.17
  5. Step 5: Solve for x
    x = 3,135,382,191.17/62,946.73
  6. Step 6: Final answer
    x = 49,810.09

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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.