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Finding the Fourth Proportional to 36,047.60, 54,049.80 and 18,551.60

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Solution

The fourth proportional to 36,047.60, 54,049.80 and 18,551.60 is: 27,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,047.60 : 54,049.80 = 18,551.60 : x
  2. Step 2: Convert to fraction form
    36,047.60/54,049.80 = 18,551.60/x
  3. Step 3: Cross multiply
    36,047.60x = 54,049.80 × 18,551.60
  4. Step 4: Simplify right side
    36,047.60x = 1,002,710,269.68
  5. Step 5: Solve for x
    x = 1,002,710,269.68/36,047.60
  6. Step 6: Final answer
    x = 27,816.28

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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.