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Finding the Fourth Proportional to 45,040.43, 67,618.04 and 36,736.62

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Solution

The fourth proportional to 45,040.43, 67,618.04 and 36,736.62 is: 55,151.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,040.43 : 67,618.04 = 36,736.62 : x
  2. Step 2: Convert to fraction form
    45,040.43/67,618.04 = 36,736.62/x
  3. Step 3: Cross multiply
    45,040.43x = 67,618.04 × 36,736.62
  4. Step 4: Simplify right side
    45,040.43x = 2,484,058,056.94
  5. Step 5: Solve for x
    x = 2,484,058,056.94/45,040.43
  6. Step 6: Final answer
    x = 55,151.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.