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Finding the Fourth Proportional to 7,008.92, 10,516.49 and 3,721.22

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Solution

The fourth proportional to 7,008.92, 10,516.49 and 3,721.22 is: 5,583.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.92 : 10,516.49 = 3,721.22 : x
  2. Step 2: Convert to fraction form
    7,008.92/10,516.49 = 3,721.22/x
  3. Step 3: Cross multiply
    7,008.92x = 10,516.49 × 3,721.22
  4. Step 4: Simplify right side
    7,008.92x = 39,134,172.92
  5. Step 5: Solve for x
    x = 39,134,172.92/7,008.92
  6. Step 6: Final answer
    x = 5,583.48

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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.