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Finding the Fourth Proportional to 8,936.91, 12,333.65 and 4,958.37

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Solution

The fourth proportional to 8,936.91, 12,333.65 and 4,958.37 is: 6,842.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.91 : 12,333.65 = 4,958.37 : x
  2. Step 2: Convert to fraction form
    8,936.91/12,333.65 = 4,958.37/x
  3. Step 3: Cross multiply
    8,936.91x = 12,333.65 × 4,958.37
  4. Step 4: Simplify right side
    8,936.91x = 61,154,775.36
  5. Step 5: Solve for x
    x = 61,154,775.36/8,936.91
  6. Step 6: Final answer
    x = 6,842.94

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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.