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Finding the Fourth Proportional to 6,269.42, 8,650.04 and 3,913.94

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Solution

The fourth proportional to 6,269.42, 8,650.04 and 3,913.94 is: 5,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,269.42 : 8,650.04 = 3,913.94 : x
  2. Step 2: Convert to fraction form
    6,269.42/8,650.04 = 3,913.94/x
  3. Step 3: Cross multiply
    6,269.42x = 8,650.04 × 3,913.94
  4. Step 4: Simplify right side
    6,269.42x = 33,855,737.56
  5. Step 5: Solve for x
    x = 33,855,737.56/6,269.42
  6. Step 6: Final answer
    x = 5,400.14

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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.