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Finding the Fourth Proportional to 17,608,462.40, 26,412,693.60 and 16,040,820.80

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Solution

The fourth proportional to 17,608,462.40, 26,412,693.60 and 16,040,820.80 is: 24,061,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,608,462.40 : 26,412,693.60 = 16,040,820.80 : x
  2. Step 2: Convert to fraction form
    17,608,462.40/26,412,693.60 = 16,040,820.80/x
  3. Step 3: Cross multiply
    17,608,462.40x = 26,412,693.60 × 16,040,820.80
  4. Step 4: Simplify right side
    17,608,462.40x = 423,681,284,882,906.94
  5. Step 5: Solve for x
    x = 423,681,284,882,906.94/17,608,462.40
  6. Step 6: Final answer
    x = 24,061,231.20

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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.