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Finding the Fourth Proportional to 17,969,611.80, 26,954,417.70 and 16,028,722.20

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Solution

The fourth proportional to 17,969,611.80, 26,954,417.70 and 16,028,722.20 is: 24,043,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,969,611.80 : 26,954,417.70 = 16,028,722.20 : x
  2. Step 2: Convert to fraction form
    17,969,611.80/26,954,417.70 = 16,028,722.20/x
  3. Step 3: Cross multiply
    17,969,611.80x = 26,954,417.70 × 16,028,722.20
  4. Step 4: Simplify right side
    17,969,611.80x = 432,044,873,376,062.94
  5. Step 5: Solve for x
    x = 432,044,873,376,062.94/17,969,611.80
  6. Step 6: Final answer
    x = 24,043,083.30

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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.