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Finding the Fourth Proportional to 8,622.92, 12,937.58 and 3,696.41

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Solution

The fourth proportional to 8,622.92, 12,937.58 and 3,696.41 is: 5,545.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,622.92 : 12,937.58 = 3,696.41 : x
  2. Step 2: Convert to fraction form
    8,622.92/12,937.58 = 3,696.41/x
  3. Step 3: Cross multiply
    8,622.92x = 12,937.58 × 3,696.41
  4. Step 4: Simplify right side
    8,622.92x = 47,822,516.92
  5. Step 5: Solve for x
    x = 47,822,516.92/8,622.92
  6. Step 6: Final answer
    x = 5,545.98

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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.