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Finding the Fourth Proportional to 5,974.18, 8,960.92 and 2,856.34

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Solution

The fourth proportional to 5,974.18, 8,960.92 and 2,856.34 is: 4,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,974.18 : 8,960.92 = 2,856.34 : x
  2. Step 2: Convert to fraction form
    5,974.18/8,960.92 = 2,856.34/x
  3. Step 3: Cross multiply
    5,974.18x = 8,960.92 × 2,856.34
  4. Step 4: Simplify right side
    5,974.18x = 25,595,403.95
  5. Step 5: Solve for x
    x = 25,595,403.95/5,974.18
  6. Step 6: Final answer
    x = 4,284.34

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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.