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Finding the Fourth Proportional to 9,489.30, 14,232.60 and 3,249.60

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Solution

The fourth proportional to 9,489.30, 14,232.60 and 3,249.60 is: 4,873.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.30 : 14,232.60 = 3,249.60 : x
  2. Step 2: Convert to fraction form
    9,489.30/14,232.60 = 3,249.60/x
  3. Step 3: Cross multiply
    9,489.30x = 14,232.60 × 3,249.60
  4. Step 4: Simplify right side
    9,489.30x = 46,250,256.96
  5. Step 5: Solve for x
    x = 46,250,256.96/9,489.30
  6. Step 6: Final answer
    x = 4,873.94

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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.