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Finding the Fourth Proportional to 49,955.76, 68,936.78 and 27,293.69

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Solution

The fourth proportional to 49,955.76, 68,936.78 and 27,293.69 is: 37,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,955.76 : 68,936.78 = 27,293.69 : x
  2. Step 2: Convert to fraction form
    49,955.76/68,936.78 = 27,293.69/x
  3. Step 3: Cross multiply
    49,955.76x = 68,936.78 × 27,293.69
  4. Step 4: Simplify right side
    49,955.76x = 1,881,539,343.49
  5. Step 5: Solve for x
    x = 1,881,539,343.49/49,955.76
  6. Step 6: Final answer
    x = 37,664.11

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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.