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Finding the Fourth Proportional to 6,612.91, 9,919.26 and 2,714.58

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Solution

The fourth proportional to 6,612.91, 9,919.26 and 2,714.58 is: 4,071.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.91 : 9,919.26 = 2,714.58 : x
  2. Step 2: Convert to fraction form
    6,612.91/9,919.26 = 2,714.58/x
  3. Step 3: Cross multiply
    6,612.91x = 9,919.26 × 2,714.58
  4. Step 4: Simplify right side
    6,612.91x = 26,926,624.81
  5. Step 5: Solve for x
    x = 26,926,624.81/6,612.91
  6. Step 6: Final answer
    x = 4,071.83

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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.