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Finding the Fourth Proportional to 59,076.38, 81,479.31 and 37,857.62

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Solution

The fourth proportional to 59,076.38, 81,479.31 and 37,857.62 is: 52,213.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,076.38 : 81,479.31 = 37,857.62 : x
  2. Step 2: Convert to fraction form
    59,076.38/81,479.31 = 37,857.62/x
  3. Step 3: Cross multiply
    59,076.38x = 81,479.31 × 37,857.62
  4. Step 4: Simplify right side
    59,076.38x = 3,084,612,755.84
  5. Step 5: Solve for x
    x = 3,084,612,755.84/59,076.38
  6. Step 6: Final answer
    x = 52,213.98

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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.