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Finding the Fourth Proportional to 5,978.82, 8,960.03 and 3,050.99

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Solution

The fourth proportional to 5,978.82, 8,960.03 and 3,050.99 is: 4,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978.82 : 8,960.03 = 3,050.99 : x
  2. Step 2: Convert to fraction form
    5,978.82/8,960.03 = 3,050.99/x
  3. Step 3: Cross multiply
    5,978.82x = 8,960.03 × 3,050.99
  4. Step 4: Simplify right side
    5,978.82x = 27,336,961.93
  5. Step 5: Solve for x
    x = 27,336,961.93/5,978.82
  6. Step 6: Final answer
    x = 4,572.30

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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.