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Finding the Fourth Proportional to 32,399.40, 48,591.81 and 11,622.90

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Solution

The fourth proportional to 32,399.40, 48,591.81 and 11,622.90 is: 17,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,399.40 : 48,591.81 = 11,622.90 : x
  2. Step 2: Convert to fraction form
    32,399.40/48,591.81 = 11,622.90/x
  3. Step 3: Cross multiply
    32,399.40x = 48,591.81 × 11,622.90
  4. Step 4: Simplify right side
    32,399.40x = 564,777,748.45
  5. Step 5: Solve for x
    x = 564,777,748.45/32,399.40
  6. Step 6: Final answer
    x = 17,431.73

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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.