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Finding the Fourth Proportional to 4,018, 5,545.92 and 2,622.64

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Solution

The fourth proportional to 4,018, 5,545.92 and 2,622.64 is: 3,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,018 : 5,545.92 = 2,622.64 : x
  2. Step 2: Convert to fraction form
    4,018/5,545.92 = 2,622.64/x
  3. Step 3: Cross multiply
    4,018x = 5,545.92 × 2,622.64
  4. Step 4: Simplify right side
    4,018x = 14,544,951.63
  5. Step 5: Solve for x
    x = 14,544,951.63/4,018
  6. Step 6: Final answer
    x = 3,619.95

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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.