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Finding the Fourth Proportional to 12,333.54, 18,495.44 and 4,936.62

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Solution

The fourth proportional to 12,333.54, 18,495.44 and 4,936.62 is: 7,402.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333.54 : 18,495.44 = 4,936.62 : x
  2. Step 2: Convert to fraction form
    12,333.54/18,495.44 = 4,936.62/x
  3. Step 3: Cross multiply
    12,333.54x = 18,495.44 × 4,936.62
  4. Step 4: Simplify right side
    12,333.54x = 91,304,959.01
  5. Step 5: Solve for x
    x = 91,304,959.01/12,333.54
  6. Step 6: Final answer
    x = 7,402.98

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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.