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Finding the Fourth Proportional to 27,590, 41,410.90 and 14,451.80

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Solution

The fourth proportional to 27,590, 41,410.90 and 14,451.80 is: 21,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,590 : 41,410.90 = 14,451.80 : x
  2. Step 2: Convert to fraction form
    27,590/41,410.90 = 14,451.80/x
  3. Step 3: Cross multiply
    27,590x = 41,410.90 × 14,451.80
  4. Step 4: Simplify right side
    27,590x = 598,462,044.62
  5. Step 5: Solve for x
    x = 598,462,044.62/27,590
  6. Step 6: Final answer
    x = 21,691.27

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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.