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Finding the Fourth Proportional to 6,599.61, 9,898.17 and 3,311.82

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Solution

The fourth proportional to 6,599.61, 9,898.17 and 3,311.82 is: 4,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599.61 : 9,898.17 = 3,311.82 : x
  2. Step 2: Convert to fraction form
    6,599.61/9,898.17 = 3,311.82/x
  3. Step 3: Cross multiply
    6,599.61x = 9,898.17 × 3,311.82
  4. Step 4: Simplify right side
    6,599.61x = 32,780,957.37
  5. Step 5: Solve for x
    x = 32,780,957.37/6,599.61
  6. Step 6: Final answer
    x = 4,967.11

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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.