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Finding the Fourth Proportional to 8,873.16, 13,305.30 and 3,027.72

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Solution

The fourth proportional to 8,873.16, 13,305.30 and 3,027.72 is: 4,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.16 : 13,305.30 = 3,027.72 : x
  2. Step 2: Convert to fraction form
    8,873.16/13,305.30 = 3,027.72/x
  3. Step 3: Cross multiply
    8,873.16x = 13,305.30 × 3,027.72
  4. Step 4: Simplify right side
    8,873.16x = 40,284,722.92
  5. Step 5: Solve for x
    x = 40,284,722.92/8,873.16
  6. Step 6: Final answer
    x = 4,540.06

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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.