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Finding the Fourth Proportional to 3,136.77, 4,705.17 and 2,551.08

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Solution

The fourth proportional to 3,136.77, 4,705.17 and 2,551.08 is: 3,826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.77 : 4,705.17 = 2,551.08 : x
  2. Step 2: Convert to fraction form
    3,136.77/4,705.17 = 2,551.08/x
  3. Step 3: Cross multiply
    3,136.77x = 4,705.17 × 2,551.08
  4. Step 4: Simplify right side
    3,136.77x = 12,003,265.08
  5. Step 5: Solve for x
    x = 12,003,265.08/3,136.77
  6. Step 6: Final answer
    x = 3,826.63

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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.