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Finding the Fourth Proportional to 7,136.71, 10,703.34 and 2,751.37

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Solution

The fourth proportional to 7,136.71, 10,703.34 and 2,751.37 is: 4,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.71 : 10,703.34 = 2,751.37 : x
  2. Step 2: Convert to fraction form
    7,136.71/10,703.34 = 2,751.37/x
  3. Step 3: Cross multiply
    7,136.71x = 10,703.34 × 2,751.37
  4. Step 4: Simplify right side
    7,136.71x = 29,448,821.82
  5. Step 5: Solve for x
    x = 29,448,821.82/7,136.71
  6. Step 6: Final answer
    x = 4,126.39

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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.