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Finding the Fourth Proportional to 6,165.72, 8,508.04 and 3,648.04

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Solution

The fourth proportional to 6,165.72, 8,508.04 and 3,648.04 is: 5,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,165.72 : 8,508.04 = 3,648.04 : x
  2. Step 2: Convert to fraction form
    6,165.72/8,508.04 = 3,648.04/x
  3. Step 3: Cross multiply
    6,165.72x = 8,508.04 × 3,648.04
  4. Step 4: Simplify right side
    6,165.72x = 31,037,639.85
  5. Step 5: Solve for x
    x = 31,037,639.85/6,165.72
  6. Step 6: Final answer
    x = 5,033.90

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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.