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Finding the Fourth Proportional to 32,183.20, 48,278.40 and 9,996.40

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Solution

The fourth proportional to 32,183.20, 48,278.40 and 9,996.40 is: 14,995.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,183.20 : 48,278.40 = 9,996.40 : x
  2. Step 2: Convert to fraction form
    32,183.20/48,278.40 = 9,996.40/x
  3. Step 3: Cross multiply
    32,183.20x = 48,278.40 × 9,996.40
  4. Step 4: Simplify right side
    32,183.20x = 482,610,197.76
  5. Step 5: Solve for x
    x = 482,610,197.76/32,183.20
  6. Step 6: Final answer
    x = 14,995.72

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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.