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Finding the Fourth Proportional to 15,996.79, 23,998.02 and 7,691.86

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Solution

The fourth proportional to 15,996.79, 23,998.02 and 7,691.86 is: 11,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.79 : 23,998.02 = 7,691.86 : x
  2. Step 2: Convert to fraction form
    15,996.79/23,998.02 = 7,691.86/x
  3. Step 3: Cross multiply
    15,996.79x = 23,998.02 × 7,691.86
  4. Step 4: Simplify right side
    15,996.79x = 184,589,410.12
  5. Step 5: Solve for x
    x = 184,589,410.12/15,996.79
  6. Step 6: Final answer
    x = 11,539.15

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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.