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Finding the Fourth Proportional to 36,269.87, 54,405.09 and 9,976.05

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Solution

The fourth proportional to 36,269.87, 54,405.09 and 9,976.05 is: 14,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,269.87 : 54,405.09 = 9,976.05 : x
  2. Step 2: Convert to fraction form
    36,269.87/54,405.09 = 9,976.05/x
  3. Step 3: Cross multiply
    36,269.87x = 54,405.09 × 9,976.05
  4. Step 4: Simplify right side
    36,269.87x = 542,747,898.09
  5. Step 5: Solve for x
    x = 542,747,898.09/36,269.87
  6. Step 6: Final answer
    x = 14,964.16

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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.