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Finding the Fourth Proportional to 6,616, 9,137.76 and 4,404.16

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Solution

The fourth proportional to 6,616, 9,137.76 and 4,404.16 is: 6,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616 : 9,137.76 = 4,404.16 : x
  2. Step 2: Convert to fraction form
    6,616/9,137.76 = 4,404.16/x
  3. Step 3: Cross multiply
    6,616x = 9,137.76 × 4,404.16
  4. Step 4: Simplify right side
    6,616x = 40,244,157.08
  5. Step 5: Solve for x
    x = 40,244,157.08/6,616
  6. Step 6: Final answer
    x = 6,082.85

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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.