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Finding the Fourth Proportional to 8,964.73, 13,440.01 and 3,696.69

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Solution

The fourth proportional to 8,964.73, 13,440.01 and 3,696.69 is: 5,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.73 : 13,440.01 = 3,696.69 : x
  2. Step 2: Convert to fraction form
    8,964.73/13,440.01 = 3,696.69/x
  3. Step 3: Cross multiply
    8,964.73x = 13,440.01 × 3,696.69
  4. Step 4: Simplify right side
    8,964.73x = 49,683,550.57
  5. Step 5: Solve for x
    x = 49,683,550.57/8,964.73
  6. Step 6: Final answer
    x = 5,542.11

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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.