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Finding the Fourth Proportional to 12,244.52, 16,897.94 and 6,939.28

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Solution

The fourth proportional to 12,244.52, 16,897.94 and 6,939.28 is: 9,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.52 : 16,897.94 = 6,939.28 : x
  2. Step 2: Convert to fraction form
    12,244.52/16,897.94 = 6,939.28/x
  3. Step 3: Cross multiply
    12,244.52x = 16,897.94 × 6,939.28
  4. Step 4: Simplify right side
    12,244.52x = 117,259,537.08
  5. Step 5: Solve for x
    x = 117,259,537.08/12,244.52
  6. Step 6: Final answer
    x = 9,576.49

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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.