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Finding the Fourth Proportional to 7,202, 10,798.68 and 2,519.44

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Solution

The fourth proportional to 7,202, 10,798.68 and 2,519.44 is: 3,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202 : 10,798.68 = 2,519.44 : x
  2. Step 2: Convert to fraction form
    7,202/10,798.68 = 2,519.44/x
  3. Step 3: Cross multiply
    7,202x = 10,798.68 × 2,519.44
  4. Step 4: Simplify right side
    7,202x = 27,206,626.34
  5. Step 5: Solve for x
    x = 27,206,626.34/7,202
  6. Step 6: Final answer
    x = 3,777.65

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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.