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Finding the Fourth Proportional to 57,620, 86,444.58 and 16,067

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Solution

The fourth proportional to 57,620, 86,444.58 and 16,067 is: 24,104.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,620 : 86,444.58 = 16,067 : x
  2. Step 2: Convert to fraction form
    57,620/86,444.58 = 16,067/x
  3. Step 3: Cross multiply
    57,620x = 86,444.58 × 16,067
  4. Step 4: Simplify right side
    57,620x = 1,388,905,066.86
  5. Step 5: Solve for x
    x = 1,388,905,066.86/57,620
  6. Step 6: Final answer
    x = 24,104.57

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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.