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Finding the Fourth Proportional to 3,959,299.92, 5,941,196.51 and 2,137,640.58

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Solution

The fourth proportional to 3,959,299.92, 5,941,196.51 and 2,137,640.58 is: 3,207,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,299.92 : 5,941,196.51 = 2,137,640.58 : x
  2. Step 2: Convert to fraction form
    3,959,299.92/5,941,196.51 = 2,137,640.58/x
  3. Step 3: Cross multiply
    3,959,299.92x = 5,941,196.51 × 2,137,640.58
  4. Step 4: Simplify right side
    3,959,299.92x = 12,700,142,713,136.19
  5. Step 5: Solve for x
    x = 12,700,142,713,136.19/3,959,299.92
  6. Step 6: Final answer
    x = 3,207,673.83

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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.