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Finding the Fourth Proportional to 8,052.56, 12,073.08 and 3,118

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Solution

The fourth proportional to 8,052.56, 12,073.08 and 3,118 is: 4,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.56 : 12,073.08 = 3,118 : x
  2. Step 2: Convert to fraction form
    8,052.56/12,073.08 = 3,118/x
  3. Step 3: Cross multiply
    8,052.56x = 12,073.08 × 3,118
  4. Step 4: Simplify right side
    8,052.56x = 37,643,863.44
  5. Step 5: Solve for x
    x = 37,643,863.44/8,052.56
  6. Step 6: Final answer
    x = 4,674.77

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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.