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Finding the Fourth Proportional to 27,994.91, 41,971.43 and 16,898.99

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Solution

The fourth proportional to 27,994.91, 41,971.43 and 16,898.99 is: 25,335.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994.91 : 41,971.43 = 16,898.99 : x
  2. Step 2: Convert to fraction form
    27,994.91/41,971.43 = 16,898.99/x
  3. Step 3: Cross multiply
    27,994.91x = 41,971.43 × 16,898.99
  4. Step 4: Simplify right side
    27,994.91x = 709,274,608.25
  5. Step 5: Solve for x
    x = 709,274,608.25/27,994.91
  6. Step 6: Final answer
    x = 25,335.85

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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.