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Finding the Fourth Proportional to 5,994.57, 8,978.75 and 4,942.77

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Solution

The fourth proportional to 5,994.57, 8,978.75 and 4,942.77 is: 7,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,994.57 : 8,978.75 = 4,942.77 : x
  2. Step 2: Convert to fraction form
    5,994.57/8,978.75 = 4,942.77/x
  3. Step 3: Cross multiply
    5,994.57x = 8,978.75 × 4,942.77
  4. Step 4: Simplify right side
    5,994.57x = 44,379,896.14
  5. Step 5: Solve for x
    x = 44,379,896.14/5,994.57
  6. Step 6: Final answer
    x = 7,403.35

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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.