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Finding the Fourth Proportional to 16,249.22, 24,357.96 and 7,928.90

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Solution

The fourth proportional to 16,249.22, 24,357.96 and 7,928.90 is: 11,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,249.22 : 24,357.96 = 7,928.90 : x
  2. Step 2: Convert to fraction form
    16,249.22/24,357.96 = 7,928.90/x
  3. Step 3: Cross multiply
    16,249.22x = 24,357.96 × 7,928.90
  4. Step 4: Simplify right side
    16,249.22x = 193,131,707.25
  5. Step 5: Solve for x
    x = 193,131,707.25/16,249.22
  6. Step 6: Final answer
    x = 11,885.60

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1.5x scale

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.