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Finding the Fourth Proportional to 55,524.52, 76,624.88 and 30,374.56

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Solution

The fourth proportional to 55,524.52, 76,624.88 and 30,374.56 is: 41,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,524.52 : 76,624.88 = 30,374.56 : x
  2. Step 2: Convert to fraction form
    55,524.52/76,624.88 = 30,374.56/x
  3. Step 3: Cross multiply
    55,524.52x = 76,624.88 × 30,374.56
  4. Step 4: Simplify right side
    55,524.52x = 2,327,447,015.05
  5. Step 5: Solve for x
    x = 2,327,447,015.05/55,524.52
  6. Step 6: Final answer
    x = 41,917.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.