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Finding the Fourth Proportional to 3,585,843.92, 4,948,379.40 and 1,954,302.80

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Solution

The fourth proportional to 3,585,843.92, 4,948,379.40 and 1,954,302.80 is: 2,696,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585,843.92 : 4,948,379.40 = 1,954,302.80 : x
  2. Step 2: Convert to fraction form
    3,585,843.92/4,948,379.40 = 1,954,302.80/x
  3. Step 3: Cross multiply
    3,585,843.92x = 4,948,379.40 × 1,954,302.80
  4. Step 4: Simplify right side
    3,585,843.92x = 9,670,631,716,882.32
  5. Step 5: Solve for x
    x = 9,670,631,716,882.32/3,585,843.92
  6. Step 6: Final answer
    x = 2,696,891.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.