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Finding the Fourth Proportional to 36,443.70, 54,593.03 and 28,960.06

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Solution

The fourth proportional to 36,443.70, 54,593.03 and 28,960.06 is: 43,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,443.70 : 54,593.03 = 28,960.06 : x
  2. Step 2: Convert to fraction form
    36,443.70/54,593.03 = 28,960.06/x
  3. Step 3: Cross multiply
    36,443.70x = 54,593.03 × 28,960.06
  4. Step 4: Simplify right side
    36,443.70x = 1,581,017,105.49
  5. Step 5: Solve for x
    x = 1,581,017,105.49/36,443.70
  6. Step 6: Final answer
    x = 43,382.46

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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.