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Finding the Fourth Proportional to 30,249.68, 45,374.46 and 8,063.06

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Solution

The fourth proportional to 30,249.68, 45,374.46 and 8,063.06 is: 12,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249.68 : 45,374.46 = 8,063.06 : x
  2. Step 2: Convert to fraction form
    30,249.68/45,374.46 = 8,063.06/x
  3. Step 3: Cross multiply
    30,249.68x = 45,374.46 × 8,063.06
  4. Step 4: Simplify right side
    30,249.68x = 365,856,993.45
  5. Step 5: Solve for x
    x = 365,856,993.45/30,249.68
  6. Step 6: Final answer
    x = 12,094.57

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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.