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Finding the Fourth Proportional to 27,998.76, 41,997.81 and 11,354.82

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Solution

The fourth proportional to 27,998.76, 41,997.81 and 11,354.82 is: 17,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.76 : 41,997.81 = 11,354.82 : x
  2. Step 2: Convert to fraction form
    27,998.76/41,997.81 = 11,354.82/x
  3. Step 3: Cross multiply
    27,998.76x = 41,997.81 × 11,354.82
  4. Step 4: Simplify right side
    27,998.76x = 476,877,572.94
  5. Step 5: Solve for x
    x = 476,877,572.94/27,998.76
  6. Step 6: Final answer
    x = 17,032.10

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1.5x scale

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.