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Finding the Fourth Proportional to 38,954.80, 53,764.62 and 37,179.91

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Solution

The fourth proportional to 38,954.80, 53,764.62 and 37,179.91 is: 51,314.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,954.80 : 53,764.62 = 37,179.91 : x
  2. Step 2: Convert to fraction form
    38,954.80/53,764.62 = 37,179.91/x
  3. Step 3: Cross multiply
    38,954.80x = 53,764.62 × 37,179.91
  4. Step 4: Simplify right side
    38,954.80x = 1,998,963,732.78
  5. Step 5: Solve for x
    x = 1,998,963,732.78/38,954.80
  6. Step 6: Final answer
    x = 51,314.95

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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.