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Finding the Fourth Proportional to 49,701, 68,587.38 and 27,345

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Solution

The fourth proportional to 49,701, 68,587.38 and 27,345 is: 37,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,701 : 68,587.38 = 27,345 : x
  2. Step 2: Convert to fraction form
    49,701/68,587.38 = 27,345/x
  3. Step 3: Cross multiply
    49,701x = 68,587.38 × 27,345
  4. Step 4: Simplify right side
    49,701x = 1,875,521,906.10
  5. Step 5: Solve for x
    x = 1,875,521,906.10/49,701
  6. Step 6: Final answer
    x = 37,736.10

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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.