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Finding the Fourth Proportional to 6,306.62, 8,699.83 and 4,811.94

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Solution

The fourth proportional to 6,306.62, 8,699.83 and 4,811.94 is: 6,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,306.62 : 8,699.83 = 4,811.94 : x
  2. Step 2: Convert to fraction form
    6,306.62/8,699.83 = 4,811.94/x
  3. Step 3: Cross multiply
    6,306.62x = 8,699.83 × 4,811.94
  4. Step 4: Simplify right side
    6,306.62x = 41,863,035.91
  5. Step 5: Solve for x
    x = 41,863,035.91/6,306.62
  6. Step 6: Final answer
    x = 6,637.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.