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Finding the Fourth Proportional to 5,689,081.41, 8,531,843.32 and 1,901,678.55

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Solution

The fourth proportional to 5,689,081.41, 8,531,843.32 and 1,901,678.55 is: 2,851,923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689,081.41 : 8,531,843.32 = 1,901,678.55 : x
  2. Step 2: Convert to fraction form
    5,689,081.41/8,531,843.32 = 1,901,678.55/x
  3. Step 3: Cross multiply
    5,689,081.41x = 8,531,843.32 × 1,901,678.55
  4. Step 4: Simplify right side
    5,689,081.41x = 16,224,823,433,604.79
  5. Step 5: Solve for x
    x = 16,224,823,433,604.79/5,689,081.41
  6. Step 6: Final answer
    x = 2,851,923.23

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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.