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Finding the Fourth Proportional to 16,659.58, 24,997.48 and 7,884.04

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Solution

The fourth proportional to 16,659.58, 24,997.48 and 7,884.04 is: 11,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,659.58 : 24,997.48 = 7,884.04 : x
  2. Step 2: Convert to fraction form
    16,659.58/24,997.48 = 7,884.04/x
  3. Step 3: Cross multiply
    16,659.58x = 24,997.48 × 7,884.04
  4. Step 4: Simplify right side
    16,659.58x = 197,081,132.22
  5. Step 5: Solve for x
    x = 197,081,132.22/16,659.58
  6. Step 6: Final answer
    x = 11,829.90

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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.