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Finding the Fourth Proportional to 27,994,659.80, 41,985,687.90 and 10,043,763.80

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Solution

The fourth proportional to 27,994,659.80, 41,985,687.90 and 10,043,763.80 is: 15,063,384.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994,659.80 : 41,985,687.90 = 10,043,763.80 : x
  2. Step 2: Convert to fraction form
    27,994,659.80/41,985,687.90 = 10,043,763.80/x
  3. Step 3: Cross multiply
    27,994,659.80x = 41,985,687.90 × 10,043,763.80
  4. Step 4: Simplify right side
    27,994,659.80x = 421,694,332,248,118.06
  5. Step 5: Solve for x
    x = 421,694,332,248,118.06/27,994,659.80
  6. Step 6: Final answer
    x = 15,063,384.78

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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.