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Finding the Fourth Proportional to 8,940.66, 12,338.24 and 4,962.03

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Solution

The fourth proportional to 8,940.66, 12,338.24 and 4,962.03 is: 6,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.66 : 12,338.24 = 4,962.03 : x
  2. Step 2: Convert to fraction form
    8,940.66/12,338.24 = 4,962.03/x
  3. Step 3: Cross multiply
    8,940.66x = 12,338.24 × 4,962.03
  4. Step 4: Simplify right side
    8,940.66x = 61,222,717.03
  5. Step 5: Solve for x
    x = 61,222,717.03/8,940.66
  6. Step 6: Final answer
    x = 6,847.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.