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Finding the Fourth Proportional to 30,249.85, 45,346.83 and 16,219.64

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Solution

The fourth proportional to 30,249.85, 45,346.83 and 16,219.64 is: 24,314.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249.85 : 45,346.83 = 16,219.64 : x
  2. Step 2: Convert to fraction form
    30,249.85/45,346.83 = 16,219.64/x
  3. Step 3: Cross multiply
    30,249.85x = 45,346.83 × 16,219.64
  4. Step 4: Simplify right side
    30,249.85x = 735,509,257.74
  5. Step 5: Solve for x
    x = 735,509,257.74/30,249.85
  6. Step 6: Final answer
    x = 24,314.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.