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Finding the Fourth Proportional to 17,281,013.20, 25,921,519.80 and 17,029,070.80

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Solution

The fourth proportional to 17,281,013.20, 25,921,519.80 and 17,029,070.80 is: 25,543,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,281,013.20 : 25,921,519.80 = 17,029,070.80 : x
  2. Step 2: Convert to fraction form
    17,281,013.20/25,921,519.80 = 17,029,070.80/x
  3. Step 3: Cross multiply
    17,281,013.20x = 25,921,519.80 × 17,029,070.80
  4. Step 4: Simplify right side
    17,281,013.20x = 441,419,395,917,801.88
  5. Step 5: Solve for x
    x = 441,419,395,917,801.88/17,281,013.20
  6. Step 6: Final answer
    x = 25,543,606.20

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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.