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Finding the Fourth Proportional to 3,994.86, 5,992.35 and 1,529.82

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Solution

The fourth proportional to 3,994.86, 5,992.35 and 1,529.82 is: 2,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.86 : 5,992.35 = 1,529.82 : x
  2. Step 2: Convert to fraction form
    3,994.86/5,992.35 = 1,529.82/x
  3. Step 3: Cross multiply
    3,994.86x = 5,992.35 × 1,529.82
  4. Step 4: Simplify right side
    3,994.86x = 9,167,216.88
  5. Step 5: Solve for x
    x = 9,167,216.88/3,994.86
  6. Step 6: Final answer
    x = 2,294.75

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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.