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Finding the Fourth Proportional to 8,874.87, 13,315.44 and 3,944.06

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Solution

The fourth proportional to 8,874.87, 13,315.44 and 3,944.06 is: 5,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.87 : 13,315.44 = 3,944.06 : x
  2. Step 2: Convert to fraction form
    8,874.87/13,315.44 = 3,944.06/x
  3. Step 3: Cross multiply
    8,874.87x = 13,315.44 × 3,944.06
  4. Step 4: Simplify right side
    8,874.87x = 52,516,894.29
  5. Step 5: Solve for x
    x = 52,516,894.29/8,874.87
  6. Step 6: Final answer
    x = 5,917.48

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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.