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Finding the Fourth Proportional to 36,343.84, 54,474.72 and 18,524.44

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Solution

The fourth proportional to 36,343.84, 54,474.72 and 18,524.44 is: 27,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,343.84 : 54,474.72 = 18,524.44 : x
  2. Step 2: Convert to fraction form
    36,343.84/54,474.72 = 18,524.44/x
  3. Step 3: Cross multiply
    36,343.84x = 54,474.72 × 18,524.44
  4. Step 4: Simplify right side
    36,343.84x = 1,009,113,682.16
  5. Step 5: Solve for x
    x = 1,009,113,682.16/36,343.84
  6. Step 6: Final answer
    x = 27,765.74

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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.