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Finding the Fourth Proportional to 32,313.21, 48,469.82 and 8,939.04

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Solution

The fourth proportional to 32,313.21, 48,469.82 and 8,939.04 is: 13,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,313.21 : 48,469.82 = 8,939.04 : x
  2. Step 2: Convert to fraction form
    32,313.21/48,469.82 = 8,939.04/x
  3. Step 3: Cross multiply
    32,313.21x = 48,469.82 × 8,939.04
  4. Step 4: Simplify right side
    32,313.21x = 433,273,615.08
  5. Step 5: Solve for x
    x = 433,273,615.08/32,313.21
  6. Step 6: Final answer
    x = 13,408.56

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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.