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Finding the Fourth Proportional to 6,612.56, 9,920.51 and 3,052.97

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Solution

The fourth proportional to 6,612.56, 9,920.51 and 3,052.97 is: 4,580.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.56 : 9,920.51 = 3,052.97 : x
  2. Step 2: Convert to fraction form
    6,612.56/9,920.51 = 3,052.97/x
  3. Step 3: Cross multiply
    6,612.56x = 9,920.51 × 3,052.97
  4. Step 4: Simplify right side
    6,612.56x = 30,286,977.44
  5. Step 5: Solve for x
    x = 30,286,977.44/6,612.56
  6. Step 6: Final answer
    x = 4,580.22

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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.