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Finding the Fourth Proportional to 21,044.52, 29,043.07 and 12,095.14

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Solution

The fourth proportional to 21,044.52, 29,043.07 and 12,095.14 is: 16,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.52 : 29,043.07 = 12,095.14 : x
  2. Step 2: Convert to fraction form
    21,044.52/29,043.07 = 12,095.14/x
  3. Step 3: Cross multiply
    21,044.52x = 29,043.07 × 12,095.14
  4. Step 4: Simplify right side
    21,044.52x = 351,279,997.68
  5. Step 5: Solve for x
    x = 351,279,997.68/21,044.52
  6. Step 6: Final answer
    x = 16,692.24

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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.