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Finding the Fourth Proportional to 5,821,713.27, 8,691,636.11 and 4,448,299.14

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Solution

The fourth proportional to 5,821,713.27, 8,691,636.11 and 4,448,299.14 is: 6,641,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821,713.27 : 8,691,636.11 = 4,448,299.14 : x
  2. Step 2: Convert to fraction form
    5,821,713.27/8,691,636.11 = 4,448,299.14/x
  3. Step 3: Cross multiply
    5,821,713.27x = 8,691,636.11 × 4,448,299.14
  4. Step 4: Simplify right side
    5,821,713.27x = 38,662,997,433,305.94
  5. Step 5: Solve for x
    x = 38,662,997,433,305.94/5,821,713.27
  6. Step 6: Final answer
    x = 6,641,171.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.