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Finding the Fourth Proportional to 7,289.57, 10,936.17 and 2,095.44

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Solution

The fourth proportional to 7,289.57, 10,936.17 and 2,095.44 is: 3,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.57 : 10,936.17 = 2,095.44 : x
  2. Step 2: Convert to fraction form
    7,289.57/10,936.17 = 2,095.44/x
  3. Step 3: Cross multiply
    7,289.57x = 10,936.17 × 2,095.44
  4. Step 4: Simplify right side
    7,289.57x = 22,916,088.06
  5. Step 5: Solve for x
    x = 22,916,088.06/7,289.57
  6. Step 6: Final answer
    x = 3,143.68

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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.